Home / 106,828.20-160,031.10-93,695.40

Finding the Fourth Proportional to 106,828.20, 160,031.10 and 93,695.40

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Solution

The fourth proportional to 106,828.20, 160,031.10 and 93,695.40 is: 140,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,828.20 : 160,031.10 = 93,695.40 : x
  2. Step 2: Convert to fraction form
    106,828.20/160,031.10 = 93,695.40/x
  3. Step 3: Cross multiply
    106,828.20x = 160,031.10 × 93,695.40
  4. Step 4: Simplify right side
    106,828.20x = 14,994,177,926.94
  5. Step 5: Solve for x
    x = 14,994,177,926.94/106,828.20
  6. Step 6: Final answer
    x = 140,357.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.