Home / 134,603.11-185,753.54-74,175.91

Finding the Fourth Proportional to 134,603.11, 185,753.54 and 74,175.91

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Solution

The fourth proportional to 134,603.11, 185,753.54 and 74,175.91 is: 102,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,603.11 : 185,753.54 = 74,175.91 : x
  2. Step 2: Convert to fraction form
    134,603.11/185,753.54 = 74,175.91/x
  3. Step 3: Cross multiply
    134,603.11x = 185,753.54 × 74,175.91
  4. Step 4: Simplify right side
    134,603.11x = 13,778,437,865.22
  5. Step 5: Solve for x
    x = 13,778,437,865.22/134,603.11
  6. Step 6: Final answer
    x = 102,363.44

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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.