Home / 179,178.06-247,214.43-115,552.38

Finding the Fourth Proportional to 179,178.06, 247,214.43 and 115,552.38

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Solution

The fourth proportional to 179,178.06, 247,214.43 and 115,552.38 is: 159,429.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,178.06 : 247,214.43 = 115,552.38 : x
  2. Step 2: Convert to fraction form
    179,178.06/247,214.43 = 115,552.38/x
  3. Step 3: Cross multiply
    179,178.06x = 247,214.43 × 115,552.38
  4. Step 4: Simplify right side
    179,178.06x = 28,566,215,756.84
  5. Step 5: Solve for x
    x = 28,566,215,756.84/179,178.06
  6. Step 6: Final answer
    x = 159,429.21

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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.