Home / 127,601.65-176,086.60-71,011.81

Finding the Fourth Proportional to 127,601.65, 176,086.60 and 71,011.81

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Solution

The fourth proportional to 127,601.65, 176,086.60 and 71,011.81 is: 97,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,601.65 : 176,086.60 = 71,011.81 : x
  2. Step 2: Convert to fraction form
    127,601.65/176,086.60 = 71,011.81/x
  3. Step 3: Cross multiply
    127,601.65x = 176,086.60 × 71,011.81
  4. Step 4: Simplify right side
    127,601.65x = 12,504,228,182.75
  5. Step 5: Solve for x
    x = 12,504,228,182.75/127,601.65
  6. Step 6: Final answer
    x = 97,994.25

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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.