Home / 179,082.48-247,121.64-103,642.32

Finding the Fourth Proportional to 179,082.48, 247,121.64 and 103,642.32

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Solution

The fourth proportional to 179,082.48, 247,121.64 and 103,642.32 is: 143,019.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,082.48 : 247,121.64 = 103,642.32 : x
  2. Step 2: Convert to fraction form
    179,082.48/247,121.64 = 103,642.32/x
  3. Step 3: Cross multiply
    179,082.48x = 247,121.64 × 103,642.32
  4. Step 4: Simplify right side
    179,082.48x = 25,612,260,091.80
  5. Step 5: Solve for x
    x = 25,612,260,091.80/179,082.48
  6. Step 6: Final answer
    x = 143,019.35

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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.