Home / 127,866.58-176,465.49-74,151.13

Finding the Fourth Proportional to 127,866.58, 176,465.49 and 74,151.13

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Solution

The fourth proportional to 127,866.58, 176,465.49 and 74,151.13 is: 102,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,866.58 : 176,465.49 = 74,151.13 : x
  2. Step 2: Convert to fraction form
    127,866.58/176,465.49 = 74,151.13/x
  3. Step 3: Cross multiply
    127,866.58x = 176,465.49 × 74,151.13
  4. Step 4: Simplify right side
    127,866.58x = 13,085,115,489.50
  5. Step 5: Solve for x
    x = 13,085,115,489.50/127,866.58
  6. Step 6: Final answer
    x = 102,334.13

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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.