Home / 101,586.18-140,189.96-61,292.15

Finding the Fourth Proportional to 101,586.18, 140,189.96 and 61,292.15

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Solution

The fourth proportional to 101,586.18, 140,189.96 and 61,292.15 is: 84,583.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,586.18 : 140,189.96 = 61,292.15 : x
  2. Step 2: Convert to fraction form
    101,586.18/140,189.96 = 61,292.15/x
  3. Step 3: Cross multiply
    101,586.18x = 140,189.96 × 61,292.15
  4. Step 4: Simplify right side
    101,586.18x = 8,592,543,049.40
  5. Step 5: Solve for x
    x = 8,592,543,049.40/101,586.18
  6. Step 6: Final answer
    x = 84,583.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.