Home / 156,039.20-234,058.80-97,056.80

Finding the Fourth Proportional to 156,039.20, 234,058.80 and 97,056.80

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Solution

The fourth proportional to 156,039.20, 234,058.80 and 97,056.80 is: 145,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,039.20 : 234,058.80 = 97,056.80 : x
  2. Step 2: Convert to fraction form
    156,039.20/234,058.80 = 97,056.80/x
  3. Step 3: Cross multiply
    156,039.20x = 234,058.80 × 97,056.80
  4. Step 4: Simplify right side
    156,039.20x = 22,716,998,139.84
  5. Step 5: Solve for x
    x = 22,716,998,139.84/156,039.20
  6. Step 6: Final answer
    x = 145,585.20

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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.