Home / 256,734,094.38-354,292,686.99-139,259,282.76

Finding the Fourth Proportional to 256,734,094.38, 354,292,686.99 and 139,259,282.76

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Solution

The fourth proportional to 256,734,094.38, 354,292,686.99 and 139,259,282.76 is: 192,177,613.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,734,094.38 : 354,292,686.99 = 139,259,282.76 : x
  2. Step 2: Convert to fraction form
    256,734,094.38/354,292,686.99 = 139,259,282.76/x
  3. Step 3: Cross multiply
    256,734,094.38x = 354,292,686.99 × 139,259,282.76
  4. Step 4: Simplify right side
    256,734,094.38x = 49,338,545,477,340,584
  5. Step 5: Solve for x
    x = 49,338,545,477,340,584/256,734,094.38
  6. Step 6: Final answer
    x = 192,177,613.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.