Home / 187,627.04-281,355.59-80,960.66

Finding the Fourth Proportional to 187,627.04, 281,355.59 and 80,960.66

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Solution

The fourth proportional to 187,627.04, 281,355.59 and 80,960.66 is: 121,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,627.04 : 281,355.59 = 80,960.66 : x
  2. Step 2: Convert to fraction form
    187,627.04/281,355.59 = 80,960.66/x
  3. Step 3: Cross multiply
    187,627.04x = 281,355.59 × 80,960.66
  4. Step 4: Simplify right side
    187,627.04x = 22,778,732,449.51
  5. Step 5: Solve for x
    x = 22,778,732,449.51/187,627.04
  6. Step 6: Final answer
    x = 121,404.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.