Home / 119,521.44-164,944.48-65,811.60

Finding the Fourth Proportional to 119,521.44, 164,944.48 and 65,811.60

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Solution

The fourth proportional to 119,521.44, 164,944.48 and 65,811.60 is: 90,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,521.44 : 164,944.48 = 65,811.60 : x
  2. Step 2: Convert to fraction form
    119,521.44/164,944.48 = 65,811.60/x
  3. Step 3: Cross multiply
    119,521.44x = 164,944.48 × 65,811.60
  4. Step 4: Simplify right side
    119,521.44x = 10,855,260,139.97
  5. Step 5: Solve for x
    x = 10,855,260,139.97/119,521.44
  6. Step 6: Final answer
    x = 90,822.70

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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.