Home / 156,777.28-235,116.24-51,571.78

Finding the Fourth Proportional to 156,777.28, 235,116.24 and 51,571.78

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Solution

The fourth proportional to 156,777.28, 235,116.24 and 51,571.78 is: 77,341.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.28 : 235,116.24 = 51,571.78 : x
  2. Step 2: Convert to fraction form
    156,777.28/235,116.24 = 51,571.78/x
  3. Step 3: Cross multiply
    156,777.28x = 235,116.24 × 51,571.78
  4. Step 4: Simplify right side
    156,777.28x = 12,125,363,003.71
  5. Step 5: Solve for x
    x = 12,125,363,003.71/156,777.28
  6. Step 6: Final answer
    x = 77,341.33

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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.