Home / 195,969.06-293,966.96-77,640.21

Finding the Fourth Proportional to 195,969.06, 293,966.96 and 77,640.21

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Solution

The fourth proportional to 195,969.06, 293,966.96 and 77,640.21 is: 116,465.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,969.06 : 293,966.96 = 77,640.21 : x
  2. Step 2: Convert to fraction form
    195,969.06/293,966.96 = 77,640.21/x
  3. Step 3: Cross multiply
    195,969.06x = 293,966.96 × 77,640.21
  4. Step 4: Simplify right side
    195,969.06x = 22,823,656,119.26
  5. Step 5: Solve for x
    x = 22,823,656,119.26/195,969.06
  6. Step 6: Final answer
    x = 116,465.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.