Home / 179,105.12-247,331.04-115,552.16

Finding the Fourth Proportional to 179,105.12, 247,331.04 and 115,552.16

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Solution

The fourth proportional to 179,105.12, 247,331.04 and 115,552.16 is: 159,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,105.12 : 247,331.04 = 115,552.16 : x
  2. Step 2: Convert to fraction form
    179,105.12/247,331.04 = 115,552.16/x
  3. Step 3: Cross multiply
    179,105.12x = 247,331.04 × 115,552.16
  4. Step 4: Simplify right side
    179,105.12x = 28,579,635,907.05
  5. Step 5: Solve for x
    x = 28,579,635,907.05/179,105.12
  6. Step 6: Final answer
    x = 159,569.06

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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.