Home / 156,915.17-235,370.70-38,587.53

Finding the Fourth Proportional to 156,915.17, 235,370.70 and 38,587.53

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Solution

The fourth proportional to 156,915.17, 235,370.70 and 38,587.53 is: 57,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,915.17 : 235,370.70 = 38,587.53 : x
  2. Step 2: Convert to fraction form
    156,915.17/235,370.70 = 38,587.53/x
  3. Step 3: Cross multiply
    156,915.17x = 235,370.70 × 38,587.53
  4. Step 4: Simplify right side
    156,915.17x = 9,082,373,947.37
  5. Step 5: Solve for x
    x = 9,082,373,947.37/156,915.17
  6. Step 6: Final answer
    x = 57,880.79

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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.