Home / 134,172.43-185,159.87-73,748.66

Finding the Fourth Proportional to 134,172.43, 185,159.87 and 73,748.66

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Solution

The fourth proportional to 134,172.43, 185,159.87 and 73,748.66 is: 101,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,172.43 : 185,159.87 = 73,748.66 : x
  2. Step 2: Convert to fraction form
    134,172.43/185,159.87 = 73,748.66/x
  3. Step 3: Cross multiply
    134,172.43x = 185,159.87 × 73,748.66
  4. Step 4: Simplify right side
    134,172.43x = 13,655,292,298.27
  5. Step 5: Solve for x
    x = 13,655,292,298.27/134,172.43
  6. Step 6: Final answer
    x = 101,774.20

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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.