Home / 154,474.92-213,140.90-94,077.16

Finding the Fourth Proportional to 154,474.92, 213,140.90 and 94,077.16

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Solution

The fourth proportional to 154,474.92, 213,140.90 and 94,077.16 is: 129,805.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,474.92 : 213,140.90 = 94,077.16 : x
  2. Step 2: Convert to fraction form
    154,474.92/213,140.90 = 94,077.16/x
  3. Step 3: Cross multiply
    154,474.92x = 213,140.90 × 94,077.16
  4. Step 4: Simplify right side
    154,474.92x = 20,051,690,551.84
  5. Step 5: Solve for x
    x = 20,051,690,551.84/154,474.92
  6. Step 6: Final answer
    x = 129,805.48

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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.