Home / 216,562.65-298,857.45-121,067.29

Finding the Fourth Proportional to 216,562.65, 298,857.45 and 121,067.29

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Solution

The fourth proportional to 216,562.65, 298,857.45 and 121,067.29 is: 167,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,562.65 : 298,857.45 = 121,067.29 : x
  2. Step 2: Convert to fraction form
    216,562.65/298,857.45 = 121,067.29/x
  3. Step 3: Cross multiply
    216,562.65x = 298,857.45 × 121,067.29
  4. Step 4: Simplify right side
    216,562.65x = 36,181,861,567.81
  5. Step 5: Solve for x
    x = 36,181,861,567.81/216,562.65
  6. Step 6: Final answer
    x = 167,073.42

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1.5x scale

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.