Home / 149,890.34-224,724.32-90,711.93

Finding the Fourth Proportional to 149,890.34, 224,724.32 and 90,711.93

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Solution

The fourth proportional to 149,890.34, 224,724.32 and 90,711.93 is: 136,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,890.34 : 224,724.32 = 90,711.93 : x
  2. Step 2: Convert to fraction form
    149,890.34/224,724.32 = 90,711.93/x
  3. Step 3: Cross multiply
    149,890.34x = 224,724.32 × 90,711.93
  4. Step 4: Simplify right side
    149,890.34x = 20,385,176,331.58
  5. Step 5: Solve for x
    x = 20,385,176,331.58/149,890.34
  6. Step 6: Final answer
    x = 136,000.61

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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.