Home / 280,166.97-386,622.77-152,842.53

Finding the Fourth Proportional to 280,166.97, 386,622.77 and 152,842.53

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Solution

The fourth proportional to 280,166.97, 386,622.77 and 152,842.53 is: 210,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,166.97 : 386,622.77 = 152,842.53 : x
  2. Step 2: Convert to fraction form
    280,166.97/386,622.77 = 152,842.53/x
  3. Step 3: Cross multiply
    280,166.97x = 386,622.77 × 152,842.53
  4. Step 4: Simplify right side
    280,166.97x = 59,092,401,558.20
  5. Step 5: Solve for x
    x = 59,092,401,558.20/280,166.97
  6. Step 6: Final answer
    x = 210,918.52

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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.