Home / 134,380.90-201,559.20-45,637.30

Finding the Fourth Proportional to 134,380.90, 201,559.20 and 45,637.30

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Solution

The fourth proportional to 134,380.90, 201,559.20 and 45,637.30 is: 68,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,380.90 : 201,559.20 = 45,637.30 : x
  2. Step 2: Convert to fraction form
    134,380.90/201,559.20 = 45,637.30/x
  3. Step 3: Cross multiply
    134,380.90x = 201,559.20 × 45,637.30
  4. Step 4: Simplify right side
    134,380.90x = 9,198,617,678.16
  5. Step 5: Solve for x
    x = 9,198,617,678.16/134,380.90
  6. Step 6: Final answer
    x = 68,451.82

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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.