Home / 156,719.08-235,077-38,391.04

Finding the Fourth Proportional to 156,719.08, 235,077 and 38,391.04

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Solution

The fourth proportional to 156,719.08, 235,077 and 38,391.04 is: 57,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,719.08 : 235,077 = 38,391.04 : x
  2. Step 2: Convert to fraction form
    156,719.08/235,077 = 38,391.04/x
  3. Step 3: Cross multiply
    156,719.08x = 235,077 × 38,391.04
  4. Step 4: Simplify right side
    156,719.08x = 9,024,850,510.08
  5. Step 5: Solve for x
    x = 9,024,850,510.08/156,719.08
  6. Step 6: Final answer
    x = 57,586.16

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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.