Home / 179,529.90-247,733.01-103,030.70

Finding the Fourth Proportional to 179,529.90, 247,733.01 and 103,030.70

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Solution

The fourth proportional to 179,529.90, 247,733.01 and 103,030.70 is: 142,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,529.90 : 247,733.01 = 103,030.70 : x
  2. Step 2: Convert to fraction form
    179,529.90/247,733.01 = 103,030.70/x
  3. Step 3: Cross multiply
    179,529.90x = 247,733.01 × 103,030.70
  4. Step 4: Simplify right side
    179,529.90x = 25,524,104,194.74
  5. Step 5: Solve for x
    x = 25,524,104,194.74/179,529.90
  6. Step 6: Final answer
    x = 142,171.88

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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.