Home / 185,074.00-255,402.95-100,191.06

Finding the Fourth Proportional to 185,074.00, 255,402.95 and 100,191.06

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Solution

The fourth proportional to 185,074.00, 255,402.95 and 100,191.06 is: 138,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,074.00 : 255,402.95 = 100,191.06 : x
  2. Step 2: Convert to fraction form
    185,074.00/255,402.95 = 100,191.06/x
  3. Step 3: Cross multiply
    185,074.00x = 255,402.95 × 100,191.06
  4. Step 4: Simplify right side
    185,074.00x = 25,589,091,786.67
  5. Step 5: Solve for x
    x = 25,589,091,786.67/185,074.00
  6. Step 6: Final answer
    x = 138,264.11

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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.