Home / 158,797.46-219,127.48-87,175.04

Finding the Fourth Proportional to 158,797.46, 219,127.48 and 87,175.04

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Solution

The fourth proportional to 158,797.46, 219,127.48 and 87,175.04 is: 120,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,797.46 : 219,127.48 = 87,175.04 : x
  2. Step 2: Convert to fraction form
    158,797.46/219,127.48 = 87,175.04/x
  3. Step 3: Cross multiply
    158,797.46x = 219,127.48 × 87,175.04
  4. Step 4: Simplify right side
    158,797.46x = 19,102,445,520.52
  5. Step 5: Solve for x
    x = 19,102,445,520.52/158,797.46
  6. Step 6: Final answer
    x = 120,294.40

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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.