Home / 185,231.04-255,618.81-100,348.08

Finding the Fourth Proportional to 185,231.04, 255,618.81 and 100,348.08

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Solution

The fourth proportional to 185,231.04, 255,618.81 and 100,348.08 is: 138,480.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,231.04 : 255,618.81 = 100,348.08 : x
  2. Step 2: Convert to fraction form
    185,231.04/255,618.81 = 100,348.08/x
  3. Step 3: Cross multiply
    185,231.04x = 255,618.81 × 100,348.08
  4. Step 4: Simplify right side
    185,231.04x = 25,650,856,795.38
  5. Step 5: Solve for x
    x = 25,650,856,795.38/185,231.04
  6. Step 6: Final answer
    x = 138,480.34

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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.