Home / 282,037.26-389,207.79-161,177.16

Finding the Fourth Proportional to 282,037.26, 389,207.79 and 161,177.16

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Solution

The fourth proportional to 282,037.26, 389,207.79 and 161,177.16 is: 222,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,037.26 : 389,207.79 = 161,177.16 : x
  2. Step 2: Convert to fraction form
    282,037.26/389,207.79 = 161,177.16/x
  3. Step 3: Cross multiply
    282,037.26x = 389,207.79 × 161,177.16
  4. Step 4: Simplify right side
    282,037.26x = 62,731,406,242.08
  5. Step 5: Solve for x
    x = 62,731,406,242.08/282,037.26
  6. Step 6: Final answer
    x = 222,422.41

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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.