Home / 179,071.48-247,118.70-98,499.16

Finding the Fourth Proportional to 179,071.48, 247,118.70 and 98,499.16

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Solution

The fourth proportional to 179,071.48, 247,118.70 and 98,499.16 is: 135,928.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,071.48 : 247,118.70 = 98,499.16 : x
  2. Step 2: Convert to fraction form
    179,071.48/247,118.70 = 98,499.16/x
  3. Step 3: Cross multiply
    179,071.48x = 247,118.70 × 98,499.16
  4. Step 4: Simplify right side
    179,071.48x = 24,340,984,370.29
  5. Step 5: Solve for x
    x = 24,340,984,370.29/179,071.48
  6. Step 6: Final answer
    x = 135,928.87

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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.