Home / 127,726.10-176,261.90-74,042.24

Finding the Fourth Proportional to 127,726.10, 176,261.90 and 74,042.24

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Solution

The fourth proportional to 127,726.10, 176,261.90 and 74,042.24 is: 102,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,726.10 : 176,261.90 = 74,042.24 : x
  2. Step 2: Convert to fraction form
    127,726.10/176,261.90 = 74,042.24/x
  3. Step 3: Cross multiply
    127,726.10x = 176,261.90 × 74,042.24
  4. Step 4: Simplify right side
    127,726.10x = 13,050,824,836.24
  5. Step 5: Solve for x
    x = 13,050,824,836.24/127,726.10
  6. Step 6: Final answer
    x = 102,178.21

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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.