Home / 179,133.60-247,314.82-123,286.16

Finding the Fourth Proportional to 179,133.60, 247,314.82 and 123,286.16

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Solution

The fourth proportional to 179,133.60, 247,314.82 and 123,286.16 is: 170,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,133.60 : 247,314.82 = 123,286.16 : x
  2. Step 2: Convert to fraction form
    179,133.60/247,314.82 = 123,286.16/x
  3. Step 3: Cross multiply
    179,133.60x = 247,314.82 × 123,286.16
  4. Step 4: Simplify right side
    179,133.60x = 30,490,494,468.89
  5. Step 5: Solve for x
    x = 30,490,494,468.89/179,133.60
  6. Step 6: Final answer
    x = 170,210.92

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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.