Home / 119,438.39-164,892.96-79,206.46

Finding the Fourth Proportional to 119,438.39, 164,892.96 and 79,206.46

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Solution

The fourth proportional to 119,438.39, 164,892.96 and 79,206.46 is: 109,349.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,438.39 : 164,892.96 = 79,206.46 : x
  2. Step 2: Convert to fraction form
    119,438.39/164,892.96 = 79,206.46/x
  3. Step 3: Cross multiply
    119,438.39x = 164,892.96 × 79,206.46
  4. Step 4: Simplify right side
    119,438.39x = 13,060,587,228.29
  5. Step 5: Solve for x
    x = 13,060,587,228.29/119,438.39
  6. Step 6: Final answer
    x = 109,349.99

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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.