Home / 170,178.30-235,169.91-127,663.02

Finding the Fourth Proportional to 170,178.30, 235,169.91 and 127,663.02

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Solution

The fourth proportional to 170,178.30, 235,169.91 and 127,663.02 is: 176,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,178.30 : 235,169.91 = 127,663.02 : x
  2. Step 2: Convert to fraction form
    170,178.30/235,169.91 = 127,663.02/x
  3. Step 3: Cross multiply
    170,178.30x = 235,169.91 × 127,663.02
  4. Step 4: Simplify right side
    170,178.30x = 30,022,500,923.73
  5. Step 5: Solve for x
    x = 30,022,500,923.73/170,178.30
  6. Step 6: Final answer
    x = 176,417.92

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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.