Home / 235,104.20-324,447.56-133,126.90

Finding the Fourth Proportional to 235,104.20, 324,447.56 and 133,126.90

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Solution

The fourth proportional to 235,104.20, 324,447.56 and 133,126.90 is: 183,717.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,104.20 : 324,447.56 = 133,126.90 : x
  2. Step 2: Convert to fraction form
    235,104.20/324,447.56 = 133,126.90/x
  3. Step 3: Cross multiply
    235,104.20x = 324,447.56 × 133,126.90
  4. Step 4: Simplify right side
    235,104.20x = 43,192,697,875.36
  5. Step 5: Solve for x
    x = 43,192,697,875.36/235,104.20
  6. Step 6: Final answer
    x = 183,717.25

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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.