Home / 185,750.34-256,332.78-100,867.20

Finding the Fourth Proportional to 185,750.34, 256,332.78 and 100,867.20

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Solution

The fourth proportional to 185,750.34, 256,332.78 and 100,867.20 is: 139,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,750.34 : 256,332.78 = 100,867.20 : x
  2. Step 2: Convert to fraction form
    185,750.34/256,332.78 = 100,867.20/x
  3. Step 3: Cross multiply
    185,750.34x = 256,332.78 × 100,867.20
  4. Step 4: Simplify right side
    185,750.34x = 25,855,569,786.82
  5. Step 5: Solve for x
    x = 25,855,569,786.82/185,750.34
  6. Step 6: Final answer
    x = 139,195.28

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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.