Home / 185,820.60-256,422.74-100,937.56

Finding the Fourth Proportional to 185,820.60, 256,422.74 and 100,937.56

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Solution

The fourth proportional to 185,820.60, 256,422.74 and 100,937.56 is: 139,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,820.60 : 256,422.74 = 100,937.56 : x
  2. Step 2: Convert to fraction form
    185,820.60/256,422.74 = 100,937.56/x
  3. Step 3: Cross multiply
    185,820.60x = 256,422.74 × 100,937.56
  4. Step 4: Simplify right side
    185,820.60x = 25,882,685,704.11
  5. Step 5: Solve for x
    x = 25,882,685,704.11/185,820.60
  6. Step 6: Final answer
    x = 139,288.57

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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.