Home / 179,728.32-269,373.84-127,152.96

Finding the Fourth Proportional to 179,728.32, 269,373.84 and 127,152.96

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Solution

The fourth proportional to 179,728.32, 269,373.84 and 127,152.96 is: 190,574.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,728.32 : 269,373.84 = 127,152.96 : x
  2. Step 2: Convert to fraction form
    179,728.32/269,373.84 = 127,152.96/x
  3. Step 3: Cross multiply
    179,728.32x = 269,373.84 × 127,152.96
  4. Step 4: Simplify right side
    179,728.32x = 34,251,681,102.57
  5. Step 5: Solve for x
    x = 34,251,681,102.57/179,728.32
  6. Step 6: Final answer
    x = 190,574.76

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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.