Home / 135,574.50-203,432.67-98,441.31

Finding the Fourth Proportional to 135,574.50, 203,432.67 and 98,441.31

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Solution

The fourth proportional to 135,574.50, 203,432.67 and 98,441.31 is: 147,713.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,574.50 : 203,432.67 = 98,441.31 : x
  2. Step 2: Convert to fraction form
    135,574.50/203,432.67 = 98,441.31/x
  3. Step 3: Cross multiply
    135,574.50x = 203,432.67 × 98,441.31
  4. Step 4: Simplify right side
    135,574.50x = 20,026,178,531.60
  5. Step 5: Solve for x
    x = 20,026,178,531.60/135,574.50
  6. Step 6: Final answer
    x = 147,713.46

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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.