Home / 161,641.42-223,167.28-119,125.90

Finding the Fourth Proportional to 161,641.42, 223,167.28 and 119,125.90

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Solution

The fourth proportional to 161,641.42, 223,167.28 and 119,125.90 is: 164,469.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,641.42 : 223,167.28 = 119,125.90 : x
  2. Step 2: Convert to fraction form
    161,641.42/223,167.28 = 119,125.90/x
  3. Step 3: Cross multiply
    161,641.42x = 223,167.28 × 119,125.90
  4. Step 4: Simplify right side
    161,641.42x = 26,585,001,964.72
  5. Step 5: Solve for x
    x = 26,585,001,964.72/161,641.42
  6. Step 6: Final answer
    x = 164,469.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.