Home / 156,974.20-235,461.30-97,617.40

Finding the Fourth Proportional to 156,974.20, 235,461.30 and 97,617.40

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Solution

The fourth proportional to 156,974.20, 235,461.30 and 97,617.40 is: 146,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.20 : 235,461.30 = 97,617.40 : x
  2. Step 2: Convert to fraction form
    156,974.20/235,461.30 = 97,617.40/x
  3. Step 3: Cross multiply
    156,974.20x = 235,461.30 × 97,617.40
  4. Step 4: Simplify right side
    156,974.20x = 22,985,119,906.62
  5. Step 5: Solve for x
    x = 22,985,119,906.62/156,974.20
  6. Step 6: Final answer
    x = 146,426.10

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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.