Home / 154,030.60-231,191.70-94,981.60

Finding the Fourth Proportional to 154,030.60, 231,191.70 and 94,981.60

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Solution

The fourth proportional to 154,030.60, 231,191.70 and 94,981.60 is: 142,562.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,030.60 : 231,191.70 = 94,981.60 : x
  2. Step 2: Convert to fraction form
    154,030.60/231,191.70 = 94,981.60/x
  3. Step 3: Cross multiply
    154,030.60x = 231,191.70 × 94,981.60
  4. Step 4: Simplify right side
    154,030.60x = 21,958,957,572.72
  5. Step 5: Solve for x
    x = 21,958,957,572.72/154,030.60
  6. Step 6: Final answer
    x = 142,562.31

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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.