Home / 156,975.90-235,134.45-123,538.02

Finding the Fourth Proportional to 156,975.90, 235,134.45 and 123,538.02

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Solution

The fourth proportional to 156,975.90, 235,134.45 and 123,538.02 is: 185,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,975.90 : 235,134.45 = 123,538.02 : x
  2. Step 2: Convert to fraction form
    156,975.90/235,134.45 = 123,538.02/x
  3. Step 3: Cross multiply
    156,975.90x = 235,134.45 × 123,538.02
  4. Step 4: Simplify right side
    156,975.90x = 29,048,044,386.79
  5. Step 5: Solve for x
    x = 29,048,044,386.79/156,975.90
  6. Step 6: Final answer
    x = 185,047.80

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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.