Home / 185,207.39-255,587.42-100,324.45

Finding the Fourth Proportional to 185,207.39, 255,587.42 and 100,324.45

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Solution

The fourth proportional to 185,207.39, 255,587.42 and 100,324.45 is: 138,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,207.39 : 255,587.42 = 100,324.45 : x
  2. Step 2: Convert to fraction form
    185,207.39/255,587.42 = 100,324.45/x
  3. Step 3: Cross multiply
    185,207.39x = 255,587.42 × 100,324.45
  4. Step 4: Simplify right side
    185,207.39x = 25,641,665,558.86
  5. Step 5: Solve for x
    x = 25,641,665,558.86/185,207.39
  6. Step 6: Final answer
    x = 138,448.40

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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.