Home / 127,630.56-191,431.28-34,143.52

Finding the Fourth Proportional to 127,630.56, 191,431.28 and 34,143.52

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Solution

The fourth proportional to 127,630.56, 191,431.28 and 34,143.52 is: 51,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.56 : 191,431.28 = 34,143.52 : x
  2. Step 2: Convert to fraction form
    127,630.56/191,431.28 = 34,143.52/x
  3. Step 3: Cross multiply
    127,630.56x = 191,431.28 × 34,143.52
  4. Step 4: Simplify right side
    127,630.56x = 6,536,137,737.31
  5. Step 5: Solve for x
    x = 6,536,137,737.31/127,630.56
  6. Step 6: Final answer
    x = 51,211.38

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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.