Home / 176,723.54-243,876.50-105,104.76

Finding the Fourth Proportional to 176,723.54, 243,876.50 and 105,104.76

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Solution

The fourth proportional to 176,723.54, 243,876.50 and 105,104.76 is: 145,043.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,723.54 : 243,876.50 = 105,104.76 : x
  2. Step 2: Convert to fraction form
    176,723.54/243,876.50 = 105,104.76/x
  3. Step 3: Cross multiply
    176,723.54x = 243,876.50 × 105,104.76
  4. Step 4: Simplify right side
    176,723.54x = 25,632,581,002.14
  5. Step 5: Solve for x
    x = 25,632,581,002.14/176,723.54
  6. Step 6: Final answer
    x = 145,043.39

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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.