Home / 156,039.20-234,058.80-93,053.60

Finding the Fourth Proportional to 156,039.20, 234,058.80 and 93,053.60

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Solution

The fourth proportional to 156,039.20, 234,058.80 and 93,053.60 is: 139,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,039.20 : 234,058.80 = 93,053.60 : x
  2. Step 2: Convert to fraction form
    156,039.20/234,058.80 = 93,053.60/x
  3. Step 3: Cross multiply
    156,039.20x = 234,058.80 × 93,053.60
  4. Step 4: Simplify right side
    156,039.20x = 21,780,013,951.68
  5. Step 5: Solve for x
    x = 21,780,013,951.68/156,039.20
  6. Step 6: Final answer
    x = 139,580.40

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1.5x scale

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.