Home / 119,057.09-164,298.11-64,608.08

Finding the Fourth Proportional to 119,057.09, 164,298.11 and 64,608.08

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Solution

The fourth proportional to 119,057.09, 164,298.11 and 64,608.08 is: 89,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,057.09 : 164,298.11 = 64,608.08 : x
  2. Step 2: Convert to fraction form
    119,057.09/164,298.11 = 64,608.08/x
  3. Step 3: Cross multiply
    119,057.09x = 164,298.11 × 64,608.08
  4. Step 4: Simplify right side
    119,057.09x = 10,614,984,290.20
  5. Step 5: Solve for x
    x = 10,614,984,290.20/119,057.09
  6. Step 6: Final answer
    x = 89,158.78

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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.