Home / 185,323.78-255,748.08-100,442.26

Finding the Fourth Proportional to 185,323.78, 255,748.08 and 100,442.26

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Solution

The fourth proportional to 185,323.78, 255,748.08 and 100,442.26 is: 138,611.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,323.78 : 255,748.08 = 100,442.26 : x
  2. Step 2: Convert to fraction form
    185,323.78/255,748.08 = 100,442.26/x
  3. Step 3: Cross multiply
    185,323.78x = 255,748.08 × 100,442.26
  4. Step 4: Simplify right side
    185,323.78x = 25,687,915,145.86
  5. Step 5: Solve for x
    x = 25,687,915,145.86/185,323.78
  6. Step 6: Final answer
    x = 138,611.00

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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.