Home / 185,149.38-255,364.39-127,884.54

Finding the Fourth Proportional to 185,149.38, 255,364.39 and 127,884.54

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Solution

The fourth proportional to 185,149.38, 255,364.39 and 127,884.54 is: 176,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,149.38 : 255,364.39 = 127,884.54 : x
  2. Step 2: Convert to fraction form
    185,149.38/255,364.39 = 127,884.54/x
  3. Step 3: Cross multiply
    185,149.38x = 255,364.39 × 127,884.54
  4. Step 4: Simplify right side
    185,149.38x = 32,657,157,547.53
  5. Step 5: Solve for x
    x = 32,657,157,547.53/185,149.38
  6. Step 6: Final answer
    x = 176,382.75

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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.