Home / 280,163.52-386,627.04-152,839.17

Finding the Fourth Proportional to 280,163.52, 386,627.04 and 152,839.17

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Solution

The fourth proportional to 280,163.52, 386,627.04 and 152,839.17 is: 210,918.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,163.52 : 386,627.04 = 152,839.17 : x
  2. Step 2: Convert to fraction form
    280,163.52/386,627.04 = 152,839.17/x
  3. Step 3: Cross multiply
    280,163.52x = 386,627.04 × 152,839.17
  4. Step 4: Simplify right side
    280,163.52x = 59,091,755,893.16
  5. Step 5: Solve for x
    x = 59,091,755,893.16/280,163.52
  6. Step 6: Final answer
    x = 210,918.81

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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.