Home / 137,324.39-205,992.05-42,564.42

Finding the Fourth Proportional to 137,324.39, 205,992.05 and 42,564.42

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Solution

The fourth proportional to 137,324.39, 205,992.05 and 42,564.42 is: 63,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,324.39 : 205,992.05 = 42,564.42 : x
  2. Step 2: Convert to fraction form
    137,324.39/205,992.05 = 42,564.42/x
  3. Step 3: Cross multiply
    137,324.39x = 205,992.05 × 42,564.42
  4. Step 4: Simplify right side
    137,324.39x = 8,767,931,920.04
  5. Step 5: Solve for x
    x = 8,767,931,920.04/137,324.39
  6. Step 6: Final answer
    x = 63,848.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.