Home / 156,758.22-216,439.02-96,409.98

Finding the Fourth Proportional to 156,758.22, 216,439.02 and 96,409.98

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Solution

The fourth proportional to 156,758.22, 216,439.02 and 96,409.98 is: 133,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,758.22 : 216,439.02 = 96,409.98 : x
  2. Step 2: Convert to fraction form
    156,758.22/216,439.02 = 96,409.98/x
  3. Step 3: Cross multiply
    156,758.22x = 216,439.02 × 96,409.98
  4. Step 4: Simplify right side
    156,758.22x = 20,866,881,589.42
  5. Step 5: Solve for x
    x = 20,866,881,589.42/156,758.22
  6. Step 6: Final answer
    x = 133,115.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.