Home / 179,286.12-247,420.74-98,719.56

Finding the Fourth Proportional to 179,286.12, 247,420.74 and 98,719.56

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Solution

The fourth proportional to 179,286.12, 247,420.74 and 98,719.56 is: 136,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,286.12 : 247,420.74 = 98,719.56 : x
  2. Step 2: Convert to fraction form
    179,286.12/247,420.74 = 98,719.56/x
  3. Step 3: Cross multiply
    179,286.12x = 247,420.74 × 98,719.56
  4. Step 4: Simplify right side
    179,286.12x = 24,425,266,587.67
  5. Step 5: Solve for x
    x = 24,425,266,587.67/179,286.12
  6. Step 6: Final answer
    x = 136,236.24

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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.