Home / 156,986.30-235,479.45-149,605.18

Finding the Fourth Proportional to 156,986.30, 235,479.45 and 149,605.18

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Solution

The fourth proportional to 156,986.30, 235,479.45 and 149,605.18 is: 224,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.30 : 235,479.45 = 149,605.18 : x
  2. Step 2: Convert to fraction form
    156,986.30/235,479.45 = 149,605.18/x
  3. Step 3: Cross multiply
    156,986.30x = 235,479.45 × 149,605.18
  4. Step 4: Simplify right side
    156,986.30x = 35,228,945,503.55
  5. Step 5: Solve for x
    x = 35,228,945,503.55/156,986.30
  6. Step 6: Final answer
    x = 224,407.77

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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.