Home / 185,168.40-255,532.15-100,285.80

Finding the Fourth Proportional to 185,168.40, 255,532.15 and 100,285.80

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Solution

The fourth proportional to 185,168.40, 255,532.15 and 100,285.80 is: 138,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,168.40 : 255,532.15 = 100,285.80 : x
  2. Step 2: Convert to fraction form
    185,168.40/255,532.15 = 100,285.80/x
  3. Step 3: Cross multiply
    185,168.40x = 255,532.15 × 100,285.80
  4. Step 4: Simplify right side
    185,168.40x = 25,626,246,088.47
  5. Step 5: Solve for x
    x = 25,626,246,088.47/185,168.40
  6. Step 6: Final answer
    x = 138,394.27

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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.