Home / 156,000.20-234,000.30-96,643.40

Finding the Fourth Proportional to 156,000.20, 234,000.30 and 96,643.40

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Solution

The fourth proportional to 156,000.20, 234,000.30 and 96,643.40 is: 144,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,000.20 : 234,000.30 = 96,643.40 : x
  2. Step 2: Convert to fraction form
    156,000.20/234,000.30 = 96,643.40/x
  3. Step 3: Cross multiply
    156,000.20x = 234,000.30 × 96,643.40
  4. Step 4: Simplify right side
    156,000.20x = 22,614,584,593.02
  5. Step 5: Solve for x
    x = 22,614,584,593.02/156,000.20
  6. Step 6: Final answer
    x = 144,965.10

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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.