Home / 109,263.51-150,772.78-80,598.66

Finding the Fourth Proportional to 109,263.51, 150,772.78 and 80,598.66

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Solution

The fourth proportional to 109,263.51, 150,772.78 and 80,598.66 is: 111,218.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,263.51 : 150,772.78 = 80,598.66 : x
  2. Step 2: Convert to fraction form
    109,263.51/150,772.78 = 80,598.66/x
  3. Step 3: Cross multiply
    109,263.51x = 150,772.78 × 80,598.66
  4. Step 4: Simplify right side
    109,263.51x = 12,152,084,032.47
  5. Step 5: Solve for x
    x = 12,152,084,032.47/109,263.51
  6. Step 6: Final answer
    x = 111,218.14

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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.