Home / 119,132.20-164,394.96-65,416.84

Finding the Fourth Proportional to 119,132.20, 164,394.96 and 65,416.84

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Solution

The fourth proportional to 119,132.20, 164,394.96 and 65,416.84 is: 90,271.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,132.20 : 164,394.96 = 65,416.84 : x
  2. Step 2: Convert to fraction form
    119,132.20/164,394.96 = 65,416.84/x
  3. Step 3: Cross multiply
    119,132.20x = 164,394.96 × 65,416.84
  4. Step 4: Simplify right side
    119,132.20x = 10,754,198,795.13
  5. Step 5: Solve for x
    x = 10,754,198,795.13/119,132.20
  6. Step 6: Final answer
    x = 90,271.13

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1.5x scale

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.