Home / 205,045.10-307,567.65-125,902.70

Finding the Fourth Proportional to 205,045.10, 307,567.65 and 125,902.70

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Solution

The fourth proportional to 205,045.10, 307,567.65 and 125,902.70 is: 188,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,045.10 : 307,567.65 = 125,902.70 : x
  2. Step 2: Convert to fraction form
    205,045.10/307,567.65 = 125,902.70/x
  3. Step 3: Cross multiply
    205,045.10x = 307,567.65 × 125,902.70
  4. Step 4: Simplify right side
    205,045.10x = 38,723,597,567.66
  5. Step 5: Solve for x
    x = 38,723,597,567.66/205,045.10
  6. Step 6: Final answer
    x = 188,854.05

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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.