Home / 179,109.04-247,231.17-111,165.79

Finding the Fourth Proportional to 179,109.04, 247,231.17 and 111,165.79

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Solution

The fourth proportional to 179,109.04, 247,231.17 and 111,165.79 is: 153,446.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,109.04 : 247,231.17 = 111,165.79 : x
  2. Step 2: Convert to fraction form
    179,109.04/247,231.17 = 111,165.79/x
  3. Step 3: Cross multiply
    179,109.04x = 247,231.17 × 111,165.79
  4. Step 4: Simplify right side
    179,109.04x = 27,483,647,089.52
  5. Step 5: Solve for x
    x = 27,483,647,089.52/179,109.04
  6. Step 6: Final answer
    x = 153,446.45

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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.