Home / 161,478.01-242,221.65-43,149.52

Finding the Fourth Proportional to 161,478.01, 242,221.65 and 43,149.52

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Solution

The fourth proportional to 161,478.01, 242,221.65 and 43,149.52 is: 64,725.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,478.01 : 242,221.65 = 43,149.52 : x
  2. Step 2: Convert to fraction form
    161,478.01/242,221.65 = 43,149.52/x
  3. Step 3: Cross multiply
    161,478.01x = 242,221.65 × 43,149.52
  4. Step 4: Simplify right side
    161,478.01x = 10,451,747,931.11
  5. Step 5: Solve for x
    x = 10,451,747,931.11/161,478.01
  6. Step 6: Final answer
    x = 64,725.52

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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.