Home / 185,244.12-255,637.28-100,361.18

Finding the Fourth Proportional to 185,244.12, 255,637.28 and 100,361.18

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Solution

The fourth proportional to 185,244.12, 255,637.28 and 100,361.18 is: 138,498.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,244.12 : 255,637.28 = 100,361.18 : x
  2. Step 2: Convert to fraction form
    185,244.12/255,637.28 = 100,361.18/x
  3. Step 3: Cross multiply
    185,244.12x = 255,637.28 × 100,361.18
  4. Step 4: Simplify right side
    185,244.12x = 25,656,059,072.79
  5. Step 5: Solve for x
    x = 25,656,059,072.79/185,244.12
  6. Step 6: Final answer
    x = 138,498.64

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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.