Home / 156,864.32-235,351.20-73,764.80

Finding the Fourth Proportional to 156,864.32, 235,351.20 and 73,764.80

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Solution

The fourth proportional to 156,864.32, 235,351.20 and 73,764.80 is: 110,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.32 : 235,351.20 = 73,764.80 : x
  2. Step 2: Convert to fraction form
    156,864.32/235,351.20 = 73,764.80/x
  3. Step 3: Cross multiply
    156,864.32x = 235,351.20 × 73,764.80
  4. Step 4: Simplify right side
    156,864.32x = 17,360,634,197.76
  5. Step 5: Solve for x
    x = 17,360,634,197.76/156,864.32
  6. Step 6: Final answer
    x = 110,672.93

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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.