Home / 156,962.95-235,499.10-68,280.10

Finding the Fourth Proportional to 156,962.95, 235,499.10 and 68,280.10

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Solution

The fourth proportional to 156,962.95, 235,499.10 and 68,280.10 is: 102,443.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,962.95 : 235,499.10 = 68,280.10 : x
  2. Step 2: Convert to fraction form
    156,962.95/235,499.10 = 68,280.10/x
  3. Step 3: Cross multiply
    156,962.95x = 235,499.10 × 68,280.10
  4. Step 4: Simplify right side
    156,962.95x = 16,079,902,097.91
  5. Step 5: Solve for x
    x = 16,079,902,097.91/156,962.95
  6. Step 6: Final answer
    x = 102,443.93

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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.