Home / 272,423.22-375,947.50-149,929.70

Finding the Fourth Proportional to 272,423.22, 375,947.50 and 149,929.70

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Solution

The fourth proportional to 272,423.22, 375,947.50 and 149,929.70 is: 206,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,423.22 : 375,947.50 = 149,929.70 : x
  2. Step 2: Convert to fraction form
    272,423.22/375,947.50 = 149,929.70/x
  3. Step 3: Cross multiply
    272,423.22x = 375,947.50 × 149,929.70
  4. Step 4: Simplify right side
    272,423.22x = 56,365,695,890.75
  5. Step 5: Solve for x
    x = 56,365,695,890.75/272,423.22
  6. Step 6: Final answer
    x = 206,904.89

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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.