Home / 185,926.38-256,570.08-105,349.20

Finding the Fourth Proportional to 185,926.38, 256,570.08 and 105,349.20

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Solution

The fourth proportional to 185,926.38, 256,570.08 and 105,349.20 is: 145,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,926.38 : 256,570.08 = 105,349.20 : x
  2. Step 2: Convert to fraction form
    185,926.38/256,570.08 = 105,349.20/x
  3. Step 3: Cross multiply
    185,926.38x = 256,570.08 × 105,349.20
  4. Step 4: Simplify right side
    185,926.38x = 27,029,452,671.94
  5. Step 5: Solve for x
    x = 27,029,452,671.94/185,926.38
  6. Step 6: Final answer
    x = 145,377.18

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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.