Home / 195,008.40-292,512.60-76,640.40

Finding the Fourth Proportional to 195,008.40, 292,512.60 and 76,640.40

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Solution

The fourth proportional to 195,008.40, 292,512.60 and 76,640.40 is: 114,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,008.40 : 292,512.60 = 76,640.40 : x
  2. Step 2: Convert to fraction form
    195,008.40/292,512.60 = 76,640.40/x
  3. Step 3: Cross multiply
    195,008.40x = 292,512.60 × 76,640.40
  4. Step 4: Simplify right side
    195,008.40x = 22,418,282,669.04
  5. Step 5: Solve for x
    x = 22,418,282,669.04/195,008.40
  6. Step 6: Final answer
    x = 114,960.60

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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.