Home / 119,181.35-164,335.48-76,104.20

Finding the Fourth Proportional to 119,181.35, 164,335.48 and 76,104.20

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Solution

The fourth proportional to 119,181.35, 164,335.48 and 76,104.20 is: 104,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,181.35 : 164,335.48 = 76,104.20 : x
  2. Step 2: Convert to fraction form
    119,181.35/164,335.48 = 76,104.20/x
  3. Step 3: Cross multiply
    119,181.35x = 164,335.48 × 76,104.20
  4. Step 4: Simplify right side
    119,181.35x = 12,506,619,225.08
  5. Step 5: Solve for x
    x = 12,506,619,225.08/119,181.35
  6. Step 6: Final answer
    x = 104,937.73

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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.