Home / 137,036.97-205,590.83-42,265.02

Finding the Fourth Proportional to 137,036.97, 205,590.83 and 42,265.02

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Solution

The fourth proportional to 137,036.97, 205,590.83 and 42,265.02 is: 63,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,036.97 : 205,590.83 = 42,265.02 : x
  2. Step 2: Convert to fraction form
    137,036.97/205,590.83 = 42,265.02/x
  3. Step 3: Cross multiply
    137,036.97x = 205,590.83 × 42,265.02
  4. Step 4: Simplify right side
    137,036.97x = 8,689,299,302.49
  5. Step 5: Solve for x
    x = 8,689,299,302.49/137,036.97
  6. Step 6: Final answer
    x = 63,408.43

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1.5x scale

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.