Home / 161,727.40-242,591.10-147,730.60

Finding the Fourth Proportional to 161,727.40, 242,591.10 and 147,730.60

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Solution

The fourth proportional to 161,727.40, 242,591.10 and 147,730.60 is: 221,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,727.40 : 242,591.10 = 147,730.60 : x
  2. Step 2: Convert to fraction form
    161,727.40/242,591.10 = 147,730.60/x
  3. Step 3: Cross multiply
    161,727.40x = 242,591.10 × 147,730.60
  4. Step 4: Simplify right side
    161,727.40x = 35,838,128,757.66
  5. Step 5: Solve for x
    x = 35,838,128,757.66/161,727.40
  6. Step 6: Final answer
    x = 221,595.90

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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.