Home / 282,242.37-389,444.22-159,734.17

Finding the Fourth Proportional to 282,242.37, 389,444.22 and 159,734.17

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Solution

The fourth proportional to 282,242.37, 389,444.22 and 159,734.17 is: 220,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,242.37 : 389,444.22 = 159,734.17 : x
  2. Step 2: Convert to fraction form
    282,242.37/389,444.22 = 159,734.17/x
  3. Step 3: Cross multiply
    282,242.37x = 389,444.22 × 159,734.17
  4. Step 4: Simplify right side
    282,242.37x = 62,207,546,497.11
  5. Step 5: Solve for x
    x = 62,207,546,497.11/282,242.37
  6. Step 6: Final answer
    x = 220,404.71

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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.