Home / 156,421.18-234,640.90-60,358.90

Finding the Fourth Proportional to 156,421.18, 234,640.90 and 60,358.90

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Solution

The fourth proportional to 156,421.18, 234,640.90 and 60,358.90 is: 90,541.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,421.18 : 234,640.90 = 60,358.90 : x
  2. Step 2: Convert to fraction form
    156,421.18/234,640.90 = 60,358.90/x
  3. Step 3: Cross multiply
    156,421.18x = 234,640.90 × 60,358.90
  4. Step 4: Simplify right side
    156,421.18x = 14,162,666,619.01
  5. Step 5: Solve for x
    x = 14,162,666,619.01/156,421.18
  6. Step 6: Final answer
    x = 90,541.87

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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.