Home / 176,622.31-243,733.38-100,148.41

Finding the Fourth Proportional to 176,622.31, 243,733.38 and 100,148.41

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Solution

The fourth proportional to 176,622.31, 243,733.38 and 100,148.41 is: 138,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,622.31 : 243,733.38 = 100,148.41 : x
  2. Step 2: Convert to fraction form
    176,622.31/243,733.38 = 100,148.41/x
  3. Step 3: Cross multiply
    176,622.31x = 243,733.38 × 100,148.41
  4. Step 4: Simplify right side
    176,622.31x = 24,409,510,470.93
  5. Step 5: Solve for x
    x = 24,409,510,470.93/176,622.31
  6. Step 6: Final answer
    x = 138,201.74

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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.