Home / 282,584.16-389,943.52-161,697.74

Finding the Fourth Proportional to 282,584.16, 389,943.52 and 161,697.74

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Solution

The fourth proportional to 282,584.16, 389,943.52 and 161,697.74 is: 223,129.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,584.16 : 389,943.52 = 161,697.74 : x
  2. Step 2: Convert to fraction form
    282,584.16/389,943.52 = 161,697.74/x
  3. Step 3: Cross multiply
    282,584.16x = 389,943.52 × 161,697.74
  4. Step 4: Simplify right side
    282,584.16x = 63,052,983,557.68
  5. Step 5: Solve for x
    x = 63,052,983,557.68/282,584.16
  6. Step 6: Final answer
    x = 223,129.93

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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.