Home / 156,246.49-234,380.77-77,339.53

Finding the Fourth Proportional to 156,246.49, 234,380.77 and 77,339.53

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Solution

The fourth proportional to 156,246.49, 234,380.77 and 77,339.53 is: 116,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,246.49 : 234,380.77 = 77,339.53 : x
  2. Step 2: Convert to fraction form
    156,246.49/234,380.77 = 77,339.53/x
  3. Step 3: Cross multiply
    156,246.49x = 234,380.77 × 77,339.53
  4. Step 4: Simplify right side
    156,246.49x = 18,126,898,592.84
  5. Step 5: Solve for x
    x = 18,126,898,592.84/156,246.49
  6. Step 6: Final answer
    x = 116,014.76

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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.