Home / 176,323.60-243,326.56-100,872.10

Finding the Fourth Proportional to 176,323.60, 243,326.56 and 100,872.10

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Solution

The fourth proportional to 176,323.60, 243,326.56 and 100,872.10 is: 139,203.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,323.60 : 243,326.56 = 100,872.10 : x
  2. Step 2: Convert to fraction form
    176,323.60/243,326.56 = 100,872.10/x
  3. Step 3: Cross multiply
    176,323.60x = 243,326.56 × 100,872.10
  4. Step 4: Simplify right side
    176,323.60x = 24,544,861,092.98
  5. Step 5: Solve for x
    x = 24,544,861,092.98/176,323.60
  6. Step 6: Final answer
    x = 139,203.49

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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.