Home / 144,096.89-216,145.17-38,915.73

Finding the Fourth Proportional to 144,096.89, 216,145.17 and 38,915.73

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Solution

The fourth proportional to 144,096.89, 216,145.17 and 38,915.73 is: 58,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,096.89 : 216,145.17 = 38,915.73 : x
  2. Step 2: Convert to fraction form
    144,096.89/216,145.17 = 38,915.73/x
  3. Step 3: Cross multiply
    144,096.89x = 216,145.17 × 38,915.73
  4. Step 4: Simplify right side
    144,096.89x = 8,411,447,076.52
  5. Step 5: Solve for x
    x = 8,411,447,076.52/144,096.89
  6. Step 6: Final answer
    x = 58,373.55

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1.5x scale

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.