Home / 127,822.92-176,396.22-74,139.72

Finding the Fourth Proportional to 127,822.92, 176,396.22 and 74,139.72

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Solution

The fourth proportional to 127,822.92, 176,396.22 and 74,139.72 is: 102,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,822.92 : 176,396.22 = 74,139.72 : x
  2. Step 2: Convert to fraction form
    127,822.92/176,396.22 = 74,139.72/x
  3. Step 3: Cross multiply
    127,822.92x = 176,396.22 × 74,139.72
  4. Step 4: Simplify right side
    127,822.92x = 13,077,966,359.86
  5. Step 5: Solve for x
    x = 13,077,966,359.86/127,822.92
  6. Step 6: Final answer
    x = 102,313.16

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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.