Home / 185,445.35-255,914.73-100,562.39

Finding the Fourth Proportional to 185,445.35, 255,914.73 and 100,562.39

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Solution

The fourth proportional to 185,445.35, 255,914.73 and 100,562.39 is: 138,776.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,445.35 : 255,914.73 = 100,562.39 : x
  2. Step 2: Convert to fraction form
    185,445.35/255,914.73 = 100,562.39/x
  3. Step 3: Cross multiply
    185,445.35x = 255,914.73 × 100,562.39
  4. Step 4: Simplify right side
    185,445.35x = 25,735,396,382.19
  5. Step 5: Solve for x
    x = 25,735,396,382.19/185,445.35
  6. Step 6: Final answer
    x = 138,776.18

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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.