Home / 152,612.67-210,561.60-88,076.73

Finding the Fourth Proportional to 152,612.67, 210,561.60 and 88,076.73

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Solution

The fourth proportional to 152,612.67, 210,561.60 and 88,076.73 is: 121,520.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,612.67 : 210,561.60 = 88,076.73 : x
  2. Step 2: Convert to fraction form
    152,612.67/210,561.60 = 88,076.73/x
  3. Step 3: Cross multiply
    152,612.67x = 210,561.60 × 88,076.73
  4. Step 4: Simplify right side
    152,612.67x = 18,545,577,191.57
  5. Step 5: Solve for x
    x = 18,545,577,191.57/152,612.67
  6. Step 6: Final answer
    x = 121,520.56

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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.