Home / 112,824.80-169,237.20-97,791.20

Finding the Fourth Proportional to 112,824.80, 169,237.20 and 97,791.20

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Solution

The fourth proportional to 112,824.80, 169,237.20 and 97,791.20 is: 146,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,824.80 : 169,237.20 = 97,791.20 : x
  2. Step 2: Convert to fraction form
    112,824.80/169,237.20 = 97,791.20/x
  3. Step 3: Cross multiply
    112,824.80x = 169,237.20 × 97,791.20
  4. Step 4: Simplify right side
    112,824.80x = 16,549,908,872.64
  5. Step 5: Solve for x
    x = 16,549,908,872.64/112,824.80
  6. Step 6: Final answer
    x = 146,686.80

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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.