Home / 282,532.18-389,901.44-153,470.61

Finding the Fourth Proportional to 282,532.18, 389,901.44 and 153,470.61

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Solution

The fourth proportional to 282,532.18, 389,901.44 and 153,470.61 is: 211,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,532.18 : 389,901.44 = 153,470.61 : x
  2. Step 2: Convert to fraction form
    282,532.18/389,901.44 = 153,470.61/x
  3. Step 3: Cross multiply
    282,532.18x = 389,901.44 × 153,470.61
  4. Step 4: Simplify right side
    282,532.18x = 59,838,411,069.33
  5. Step 5: Solve for x
    x = 59,838,411,069.33/282,532.18
  6. Step 6: Final answer
    x = 211,793.26

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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.