Home / 142,521.62-196,594.12-94,124

Finding the Fourth Proportional to 142,521.62, 196,594.12 and 94,124

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Solution

The fourth proportional to 142,521.62, 196,594.12 and 94,124 is: 129,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,521.62 : 196,594.12 = 94,124 : x
  2. Step 2: Convert to fraction form
    142,521.62/196,594.12 = 94,124/x
  3. Step 3: Cross multiply
    142,521.62x = 196,594.12 × 94,124
  4. Step 4: Simplify right side
    142,521.62x = 18,504,224,950.88
  5. Step 5: Solve for x
    x = 18,504,224,950.88/142,521.62
  6. Step 6: Final answer
    x = 129,834.51

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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.