Home / 156,505.10-215,979.98-96,045.48

Finding the Fourth Proportional to 156,505.10, 215,979.98 and 96,045.48

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Solution

The fourth proportional to 156,505.10, 215,979.98 and 96,045.48 is: 132,544.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,505.10 : 215,979.98 = 96,045.48 : x
  2. Step 2: Convert to fraction form
    156,505.10/215,979.98 = 96,045.48/x
  3. Step 3: Cross multiply
    156,505.10x = 215,979.98 × 96,045.48
  4. Step 4: Simplify right side
    156,505.10x = 20,743,900,369.26
  5. Step 5: Solve for x
    x = 20,743,900,369.26/156,505.10
  6. Step 6: Final answer
    x = 132,544.57

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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.