Home / 156,968.90-235,123.95-123,531.02

Finding the Fourth Proportional to 156,968.90, 235,123.95 and 123,531.02

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Solution

The fourth proportional to 156,968.90, 235,123.95 and 123,531.02 is: 185,037.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,968.90 : 235,123.95 = 123,531.02 : x
  2. Step 2: Convert to fraction form
    156,968.90/235,123.95 = 123,531.02/x
  3. Step 3: Cross multiply
    156,968.90x = 235,123.95 × 123,531.02
  4. Step 4: Simplify right side
    156,968.90x = 29,045,101,369.93
  5. Step 5: Solve for x
    x = 29,045,101,369.93/156,968.90
  6. Step 6: Final answer
    x = 185,037.30

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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.