Home / 156,975.40-235,463.10-93,989.80

Finding the Fourth Proportional to 156,975.40, 235,463.10 and 93,989.80

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Solution

The fourth proportional to 156,975.40, 235,463.10 and 93,989.80 is: 140,984.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.40 : 235,463.10 = 93,989.80 : x
  2. Step 2: Convert to fraction form
    156,975.40/235,463.10 = 93,989.80/x
  3. Step 3: Cross multiply
    156,975.40x = 235,463.10 × 93,989.80
  4. Step 4: Simplify right side
    156,975.40x = 22,131,129,676.38
  5. Step 5: Solve for x
    x = 22,131,129,676.38/156,975.40
  6. Step 6: Final answer
    x = 140,984.70

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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.