Home / 187,550.71-281,206.08-81,004.12

Finding the Fourth Proportional to 187,550.71, 281,206.08 and 81,004.12

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Solution

The fourth proportional to 187,550.71, 281,206.08 and 81,004.12 is: 121,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,550.71 : 281,206.08 = 81,004.12 : x
  2. Step 2: Convert to fraction form
    187,550.71/281,206.08 = 81,004.12/x
  3. Step 3: Cross multiply
    187,550.71x = 281,206.08 × 81,004.12
  4. Step 4: Simplify right side
    187,550.71x = 22,778,850,346.03
  5. Step 5: Solve for x
    x = 22,778,850,346.03/187,550.71
  6. Step 6: Final answer
    x = 121,454.36

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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.