Home / 352,278.72-486,140.64-191,133.12

Finding the Fourth Proportional to 352,278.72, 486,140.64 and 191,133.12

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Solution

The fourth proportional to 352,278.72, 486,140.64 and 191,133.12 is: 263,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,278.72 : 486,140.64 = 191,133.12 : x
  2. Step 2: Convert to fraction form
    352,278.72/486,140.64 = 191,133.12/x
  3. Step 3: Cross multiply
    352,278.72x = 486,140.64 × 191,133.12
  4. Step 4: Simplify right side
    352,278.72x = 92,917,577,282.00
  5. Step 5: Solve for x
    x = 92,917,577,282.00/352,278.72
  6. Step 6: Final answer
    x = 263,761.54

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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.