Home / 185,207.02-255,585.42-100,324.42

Finding the Fourth Proportional to 185,207.02, 255,585.42 and 100,324.42

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Solution

The fourth proportional to 185,207.02, 255,585.42 and 100,324.42 is: 138,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,207.02 : 255,585.42 = 100,324.42 : x
  2. Step 2: Convert to fraction form
    185,207.02/255,585.42 = 100,324.42/x
  3. Step 3: Cross multiply
    185,207.02x = 255,585.42 × 100,324.42
  4. Step 4: Simplify right side
    185,207.02x = 25,641,459,021.96
  5. Step 5: Solve for x
    x = 25,641,459,021.96/185,207.02
  6. Step 6: Final answer
    x = 138,447.55

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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.