Home / 156,916.55-235,372.76-38,588.91

Finding the Fourth Proportional to 156,916.55, 235,372.76 and 38,588.91

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Solution

The fourth proportional to 156,916.55, 235,372.76 and 38,588.91 is: 57,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,916.55 : 235,372.76 = 38,588.91 : x
  2. Step 2: Convert to fraction form
    156,916.55/235,372.76 = 38,588.91/x
  3. Step 3: Cross multiply
    156,916.55x = 235,372.76 × 38,588.91
  4. Step 4: Simplify right side
    156,916.55x = 9,082,778,252.09
  5. Step 5: Solve for x
    x = 9,082,778,252.09/156,916.55
  6. Step 6: Final answer
    x = 57,882.86

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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.