Home / 136,863.18-205,232.22-42,060.34

Finding the Fourth Proportional to 136,863.18, 205,232.22 and 42,060.34

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Solution

The fourth proportional to 136,863.18, 205,232.22 and 42,060.34 is: 63,071.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,863.18 : 205,232.22 = 42,060.34 : x
  2. Step 2: Convert to fraction form
    136,863.18/205,232.22 = 42,060.34/x
  3. Step 3: Cross multiply
    136,863.18x = 205,232.22 × 42,060.34
  4. Step 4: Simplify right side
    136,863.18x = 8,632,136,572.33
  5. Step 5: Solve for x
    x = 8,632,136,572.33/136,863.18
  6. Step 6: Final answer
    x = 63,071.28

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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.