Home / 127,904.10-176,461.38-74,159.52

Finding the Fourth Proportional to 127,904.10, 176,461.38 and 74,159.52

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Solution

The fourth proportional to 127,904.10, 176,461.38 and 74,159.52 is: 102,313.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,904.10 : 176,461.38 = 74,159.52 : x
  2. Step 2: Convert to fraction form
    127,904.10/176,461.38 = 74,159.52/x
  3. Step 3: Cross multiply
    127,904.10x = 176,461.38 × 74,159.52
  4. Step 4: Simplify right side
    127,904.10x = 13,086,291,239.34
  5. Step 5: Solve for x
    x = 13,086,291,239.34/127,904.10
  6. Step 6: Final answer
    x = 102,313.31

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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.