Home / 129,219.46-193,829.19-59,049.56

Finding the Fourth Proportional to 129,219.46, 193,829.19 and 59,049.56

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Solution

The fourth proportional to 129,219.46, 193,829.19 and 59,049.56 is: 88,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,219.46 : 193,829.19 = 59,049.56 : x
  2. Step 2: Convert to fraction form
    129,219.46/193,829.19 = 59,049.56/x
  3. Step 3: Cross multiply
    129,219.46x = 193,829.19 × 59,049.56
  4. Step 4: Simplify right side
    129,219.46x = 11,445,528,647.79
  5. Step 5: Solve for x
    x = 11,445,528,647.79/129,219.46
  6. Step 6: Final answer
    x = 88,574.34

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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.