Home / 134,195.20-201,292.80-40,705.60

Finding the Fourth Proportional to 134,195.20, 201,292.80 and 40,705.60

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Solution

The fourth proportional to 134,195.20, 201,292.80 and 40,705.60 is: 61,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,195.20 : 201,292.80 = 40,705.60 : x
  2. Step 2: Convert to fraction form
    134,195.20/201,292.80 = 40,705.60/x
  3. Step 3: Cross multiply
    134,195.20x = 201,292.80 × 40,705.60
  4. Step 4: Simplify right side
    134,195.20x = 8,193,744,199.68
  5. Step 5: Solve for x
    x = 8,193,744,199.68/134,195.20
  6. Step 6: Final answer
    x = 61,058.40

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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.