Home / 102,527.06-141,557.29-66,316.28

Finding the Fourth Proportional to 102,527.06, 141,557.29 and 66,316.28

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Solution

The fourth proportional to 102,527.06, 141,557.29 and 66,316.28 is: 91,561.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,527.06 : 141,557.29 = 66,316.28 : x
  2. Step 2: Convert to fraction form
    102,527.06/141,557.29 = 66,316.28/x
  3. Step 3: Cross multiply
    102,527.06x = 141,557.29 × 66,316.28
  4. Step 4: Simplify right side
    102,527.06x = 9,387,552,171.89
  5. Step 5: Solve for x
    x = 9,387,552,171.89/102,527.06
  6. Step 6: Final answer
    x = 91,561.71

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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.