Home / 122,586.10-169,158.45-68,866.90

Finding the Fourth Proportional to 122,586.10, 169,158.45 and 68,866.90

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Solution

The fourth proportional to 122,586.10, 169,158.45 and 68,866.90 is: 95,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,586.10 : 169,158.45 = 68,866.90 : x
  2. Step 2: Convert to fraction form
    122,586.10/169,158.45 = 68,866.90/x
  3. Step 3: Cross multiply
    122,586.10x = 169,158.45 × 68,866.90
  4. Step 4: Simplify right side
    122,586.10x = 11,649,418,060.31
  5. Step 5: Solve for x
    x = 11,649,418,060.31/122,586.10
  6. Step 6: Final answer
    x = 95,030.50

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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.