Home / 242,316.10-363,474.15-109,040.66

Finding the Fourth Proportional to 242,316.10, 363,474.15 and 109,040.66

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Solution

The fourth proportional to 242,316.10, 363,474.15 and 109,040.66 is: 163,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,316.10 : 363,474.15 = 109,040.66 : x
  2. Step 2: Convert to fraction form
    242,316.10/363,474.15 = 109,040.66/x
  3. Step 3: Cross multiply
    242,316.10x = 363,474.15 × 109,040.66
  4. Step 4: Simplify right side
    242,316.10x = 39,633,459,391.57
  5. Step 5: Solve for x
    x = 39,633,459,391.57/242,316.10
  6. Step 6: Final answer
    x = 163,560.98

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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.