Home / 179,123.20-247,022.24-111,151.24

Finding the Fourth Proportional to 179,123.20, 247,022.24 and 111,151.24

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Solution

The fourth proportional to 179,123.20, 247,022.24 and 111,151.24 is: 153,284.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,123.20 : 247,022.24 = 111,151.24 : x
  2. Step 2: Convert to fraction form
    179,123.20/247,022.24 = 111,151.24/x
  3. Step 3: Cross multiply
    179,123.20x = 247,022.24 × 111,151.24
  4. Step 4: Simplify right side
    179,123.20x = 27,456,828,283.58
  5. Step 5: Solve for x
    x = 27,456,828,283.58/179,123.20
  6. Step 6: Final answer
    x = 153,284.60

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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.