Home / 156,962.40-235,443.60-93,976.80

Finding the Fourth Proportional to 156,962.40, 235,443.60 and 93,976.80

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Solution

The fourth proportional to 156,962.40, 235,443.60 and 93,976.80 is: 140,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.40 : 235,443.60 = 93,976.80 : x
  2. Step 2: Convert to fraction form
    156,962.40/235,443.60 = 93,976.80/x
  3. Step 3: Cross multiply
    156,962.40x = 235,443.60 × 93,976.80
  4. Step 4: Simplify right side
    156,962.40x = 22,126,236,108.48
  5. Step 5: Solve for x
    x = 22,126,236,108.48/156,962.40
  6. Step 6: Final answer
    x = 140,965.20

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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.