Home / 127,115.88-175,428.23-73,403.16

Finding the Fourth Proportional to 127,115.88, 175,428.23 and 73,403.16

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Solution

The fourth proportional to 127,115.88, 175,428.23 and 73,403.16 is: 101,301.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,115.88 : 175,428.23 = 73,403.16 : x
  2. Step 2: Convert to fraction form
    127,115.88/175,428.23 = 73,403.16/x
  3. Step 3: Cross multiply
    127,115.88x = 175,428.23 × 73,403.16
  4. Step 4: Simplify right side
    127,115.88x = 12,876,986,068.19
  5. Step 5: Solve for x
    x = 12,876,986,068.19/127,115.88
  6. Step 6: Final answer
    x = 101,301.16

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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.