Home / 110,001.20-164,710.20-86,673.20

Finding the Fourth Proportional to 110,001.20, 164,710.20 and 86,673.20

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Solution

The fourth proportional to 110,001.20, 164,710.20 and 86,673.20 is: 129,780.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,001.20 : 164,710.20 = 86,673.20 : x
  2. Step 2: Convert to fraction form
    110,001.20/164,710.20 = 86,673.20/x
  3. Step 3: Cross multiply
    110,001.20x = 164,710.20 × 86,673.20
  4. Step 4: Simplify right side
    110,001.20x = 14,275,960,106.64
  5. Step 5: Solve for x
    x = 14,275,960,106.64/110,001.20
  6. Step 6: Final answer
    x = 129,780.04

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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.