Home / 119,308.20-164,646.38-64,860.48

Finding the Fourth Proportional to 119,308.20, 164,646.38 and 64,860.48

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Solution

The fourth proportional to 119,308.20, 164,646.38 and 64,860.48 is: 89,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,308.20 : 164,646.38 = 64,860.48 : x
  2. Step 2: Convert to fraction form
    119,308.20/164,646.38 = 64,860.48/x
  3. Step 3: Cross multiply
    119,308.20x = 164,646.38 × 64,860.48
  4. Step 4: Simplify right side
    119,308.20x = 10,679,043,237.06
  5. Step 5: Solve for x
    x = 10,679,043,237.06/119,308.20
  6. Step 6: Final answer
    x = 89,508.04

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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.