Home / 158,767.88-219,102.18-87,154.52

Finding the Fourth Proportional to 158,767.88, 219,102.18 and 87,154.52

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Solution

The fourth proportional to 158,767.88, 219,102.18 and 87,154.52 is: 120,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,767.88 : 219,102.18 = 87,154.52 : x
  2. Step 2: Convert to fraction form
    158,767.88/219,102.18 = 87,154.52/x
  3. Step 3: Cross multiply
    158,767.88x = 219,102.18 × 87,154.52
  4. Step 4: Simplify right side
    158,767.88x = 19,095,745,328.85
  5. Step 5: Solve for x
    x = 19,095,745,328.85/158,767.88
  6. Step 6: Final answer
    x = 120,274.61

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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.