Home / 119,071.20-164,319.96-65,355.24

Finding the Fourth Proportional to 119,071.20, 164,319.96 and 65,355.24

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Solution

The fourth proportional to 119,071.20, 164,319.96 and 65,355.24 is: 90,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,071.20 : 164,319.96 = 65,355.24 : x
  2. Step 2: Convert to fraction form
    119,071.20/164,319.96 = 65,355.24/x
  3. Step 3: Cross multiply
    119,071.20x = 164,319.96 × 65,355.24
  4. Step 4: Simplify right side
    119,071.20x = 10,739,170,422.59
  5. Step 5: Solve for x
    x = 10,739,170,422.59/119,071.20
  6. Step 6: Final answer
    x = 90,191.17

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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.