Home / 127,950.71-176,385.06-89,589.38

Finding the Fourth Proportional to 127,950.71, 176,385.06 and 89,589.38

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Solution

The fourth proportional to 127,950.71, 176,385.06 and 89,589.38 is: 123,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.71 : 176,385.06 = 89,589.38 : x
  2. Step 2: Convert to fraction form
    127,950.71/176,385.06 = 89,589.38/x
  3. Step 3: Cross multiply
    127,950.71x = 176,385.06 × 89,589.38
  4. Step 4: Simplify right side
    127,950.71x = 15,802,227,284.74
  5. Step 5: Solve for x
    x = 15,802,227,284.74/127,950.71
  6. Step 6: Final answer
    x = 123,502.46

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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.