Home / 131,624.59-197,436.73-42,877.95

Finding the Fourth Proportional to 131,624.59, 197,436.73 and 42,877.95

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Solution

The fourth proportional to 131,624.59, 197,436.73 and 42,877.95 is: 64,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,624.59 : 197,436.73 = 42,877.95 : x
  2. Step 2: Convert to fraction form
    131,624.59/197,436.73 = 42,877.95/x
  3. Step 3: Cross multiply
    131,624.59x = 197,436.73 × 42,877.95
  4. Step 4: Simplify right side
    131,624.59x = 8,465,682,237.10
  5. Step 5: Solve for x
    x = 8,465,682,237.10/131,624.59
  6. Step 6: Final answer
    x = 64,316.87

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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.