Home / 133,045.10-199,567.65-103,301.90

Finding the Fourth Proportional to 133,045.10, 199,567.65 and 103,301.90

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Solution

The fourth proportional to 133,045.10, 199,567.65 and 103,301.90 is: 154,952.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,045.10 : 199,567.65 = 103,301.90 : x
  2. Step 2: Convert to fraction form
    133,045.10/199,567.65 = 103,301.90/x
  3. Step 3: Cross multiply
    133,045.10x = 199,567.65 × 103,301.90
  4. Step 4: Simplify right side
    133,045.10x = 20,615,717,423.54
  5. Step 5: Solve for x
    x = 20,615,717,423.54/133,045.10
  6. Step 6: Final answer
    x = 154,952.85

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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.