Home / 127,862.15-176,488.47-74,160.36

Finding the Fourth Proportional to 127,862.15, 176,488.47 and 74,160.36

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Solution

The fourth proportional to 127,862.15, 176,488.47 and 74,160.36 is: 102,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,862.15 : 176,488.47 = 74,160.36 : x
  2. Step 2: Convert to fraction form
    127,862.15/176,488.47 = 74,160.36/x
  3. Step 3: Cross multiply
    127,862.15x = 176,488.47 × 74,160.36
  4. Step 4: Simplify right side
    127,862.15x = 13,088,448,471.05
  5. Step 5: Solve for x
    x = 13,088,448,471.05/127,862.15
  6. Step 6: Final answer
    x = 102,363.75

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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.