Home / 119,747.60-179,621.40-101,315.60

Finding the Fourth Proportional to 119,747.60, 179,621.40 and 101,315.60

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Solution

The fourth proportional to 119,747.60, 179,621.40 and 101,315.60 is: 151,973.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,747.60 : 179,621.40 = 101,315.60 : x
  2. Step 2: Convert to fraction form
    119,747.60/179,621.40 = 101,315.60/x
  3. Step 3: Cross multiply
    119,747.60x = 179,621.40 × 101,315.60
  4. Step 4: Simplify right side
    119,747.60x = 18,198,449,913.84
  5. Step 5: Solve for x
    x = 18,198,449,913.84/119,747.60
  6. Step 6: Final answer
    x = 151,973.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.