Home / 127,611.61-191,445.13-38,862.83

Finding the Fourth Proportional to 127,611.61, 191,445.13 and 38,862.83

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Solution

The fourth proportional to 127,611.61, 191,445.13 and 38,862.83 is: 58,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,611.61 : 191,445.13 = 38,862.83 : x
  2. Step 2: Convert to fraction form
    127,611.61/191,445.13 = 38,862.83/x
  3. Step 3: Cross multiply
    127,611.61x = 191,445.13 × 38,862.83
  4. Step 4: Simplify right side
    127,611.61x = 7,440,099,541.52
  5. Step 5: Solve for x
    x = 7,440,099,541.52/127,611.61
  6. Step 6: Final answer
    x = 58,302.69

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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.