Home / 176,245.12-243,269.49-107,359.48

Finding the Fourth Proportional to 176,245.12, 243,269.49 and 107,359.48

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Solution

The fourth proportional to 176,245.12, 243,269.49 and 107,359.48 is: 148,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,245.12 : 243,269.49 = 107,359.48 : x
  2. Step 2: Convert to fraction form
    176,245.12/243,269.49 = 107,359.48/x
  3. Step 3: Cross multiply
    176,245.12x = 243,269.49 × 107,359.48
  4. Step 4: Simplify right side
    176,245.12x = 26,117,285,946.27
  5. Step 5: Solve for x
    x = 26,117,285,946.27/176,245.12
  6. Step 6: Final answer
    x = 148,187.29

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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.