Home / 127,066.65-175,354.31-69,708.91

Finding the Fourth Proportional to 127,066.65, 175,354.31 and 69,708.91

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Solution

The fourth proportional to 127,066.65, 175,354.31 and 69,708.91 is: 96,199.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,066.65 : 175,354.31 = 69,708.91 : x
  2. Step 2: Convert to fraction form
    127,066.65/175,354.31 = 69,708.91/x
  3. Step 3: Cross multiply
    127,066.65x = 175,354.31 × 69,708.91
  4. Step 4: Simplify right side
    127,066.65x = 12,223,757,813.90
  5. Step 5: Solve for x
    x = 12,223,757,813.90/127,066.65
  6. Step 6: Final answer
    x = 96,199.58

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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.