Home / 282,174.57-389,386.04-161,299.89

Finding the Fourth Proportional to 282,174.57, 389,386.04 and 161,299.89

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Solution

The fourth proportional to 282,174.57, 389,386.04 and 161,299.89 is: 222,585.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,174.57 : 389,386.04 = 161,299.89 : x
  2. Step 2: Convert to fraction form
    282,174.57/389,386.04 = 161,299.89/x
  3. Step 3: Cross multiply
    282,174.57x = 389,386.04 × 161,299.89
  4. Step 4: Simplify right side
    282,174.57x = 62,807,924,613.04
  5. Step 5: Solve for x
    x = 62,807,924,613.04/282,174.57
  6. Step 6: Final answer
    x = 222,585.35

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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.