Home / 156,400.20-234,600.30-97,205.40

Finding the Fourth Proportional to 156,400.20, 234,600.30 and 97,205.40

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Solution

The fourth proportional to 156,400.20, 234,600.30 and 97,205.40 is: 145,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,400.20 : 234,600.30 = 97,205.40 : x
  2. Step 2: Convert to fraction form
    156,400.20/234,600.30 = 97,205.40/x
  3. Step 3: Cross multiply
    156,400.20x = 234,600.30 × 97,205.40
  4. Step 4: Simplify right side
    156,400.20x = 22,804,416,001.62
  5. Step 5: Solve for x
    x = 22,804,416,001.62/156,400.20
  6. Step 6: Final answer
    x = 145,808.10

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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.