Home / 192,278.61-288,312.21-59,121.90

Finding the Fourth Proportional to 192,278.61, 288,312.21 and 59,121.90

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Solution

The fourth proportional to 192,278.61, 288,312.21 and 59,121.90 is: 88,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,278.61 : 288,312.21 = 59,121.90 : x
  2. Step 2: Convert to fraction form
    192,278.61/288,312.21 = 59,121.90/x
  3. Step 3: Cross multiply
    192,278.61x = 288,312.21 × 59,121.90
  4. Step 4: Simplify right side
    192,278.61x = 17,045,565,648.40
  5. Step 5: Solve for x
    x = 17,045,565,648.40/192,278.61
  6. Step 6: Final answer
    x = 88,650.35

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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.