Home / 133,377.45-199,574.10-121,567.65

Finding the Fourth Proportional to 133,377.45, 199,574.10 and 121,567.65

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Solution

The fourth proportional to 133,377.45, 199,574.10 and 121,567.65 is: 181,902.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,377.45 : 199,574.10 = 121,567.65 : x
  2. Step 2: Convert to fraction form
    133,377.45/199,574.10 = 121,567.65/x
  3. Step 3: Cross multiply
    133,377.45x = 199,574.10 × 121,567.65
  4. Step 4: Simplify right side
    133,377.45x = 24,261,754,337.87
  5. Step 5: Solve for x
    x = 24,261,754,337.87/133,377.45
  6. Step 6: Final answer
    x = 181,902.97

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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.