Home / 185,326.60-255,750.74-100,443.24

Finding the Fourth Proportional to 185,326.60, 255,750.74 and 100,443.24

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Solution

The fourth proportional to 185,326.60, 255,750.74 and 100,443.24 is: 138,611.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,326.60 : 255,750.74 = 100,443.24 : x
  2. Step 2: Convert to fraction form
    185,326.60/255,750.74 = 100,443.24/x
  3. Step 3: Cross multiply
    185,326.60x = 255,750.74 × 100,443.24
  4. Step 4: Simplify right side
    185,326.60x = 25,688,432,958.00
  5. Step 5: Solve for x
    x = 25,688,432,958.00/185,326.60
  6. Step 6: Final answer
    x = 138,611.69

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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.