Home / 147,020.53-202,857.10-86,569.12

Finding the Fourth Proportional to 147,020.53, 202,857.10 and 86,569.12

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Solution

The fourth proportional to 147,020.53, 202,857.10 and 86,569.12 is: 119,447.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,020.53 : 202,857.10 = 86,569.12 : x
  2. Step 2: Convert to fraction form
    147,020.53/202,857.10 = 86,569.12/x
  3. Step 3: Cross multiply
    147,020.53x = 202,857.10 × 86,569.12
  4. Step 4: Simplify right side
    147,020.53x = 17,561,160,632.75
  5. Step 5: Solve for x
    x = 17,561,160,632.75/147,020.53
  6. Step 6: Final answer
    x = 119,447.00

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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.