Home / 192,440.40-288,667.20-59,319.60

Finding the Fourth Proportional to 192,440.40, 288,667.20 and 59,319.60

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Solution

The fourth proportional to 192,440.40, 288,667.20 and 59,319.60 is: 88,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,440.40 : 288,667.20 = 59,319.60 : x
  2. Step 2: Convert to fraction form
    192,440.40/288,667.20 = 59,319.60/x
  3. Step 3: Cross multiply
    192,440.40x = 288,667.20 × 59,319.60
  4. Step 4: Simplify right side
    192,440.40x = 17,123,622,837.12
  5. Step 5: Solve for x
    x = 17,123,622,837.12/192,440.40
  6. Step 6: Final answer
    x = 88,981.43

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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.