Home / 185,065.10-255,389.54-100,182.14

Finding the Fourth Proportional to 185,065.10, 255,389.54 and 100,182.14

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Solution

The fourth proportional to 185,065.10, 255,389.54 and 100,182.14 is: 138,251.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,065.10 : 255,389.54 = 100,182.14 : x
  2. Step 2: Convert to fraction form
    185,065.10/255,389.54 = 100,182.14/x
  3. Step 3: Cross multiply
    185,065.10x = 255,389.54 × 100,182.14
  4. Step 4: Simplify right side
    185,065.10x = 25,585,470,650.82
  5. Step 5: Solve for x
    x = 25,585,470,650.82/185,065.10
  6. Step 6: Final answer
    x = 138,251.19

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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.