Home / 134,583.40-201,777.90-75,437.20

Finding the Fourth Proportional to 134,583.40, 201,777.90 and 75,437.20

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Solution

The fourth proportional to 134,583.40, 201,777.90 and 75,437.20 is: 113,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,583.40 : 201,777.90 = 75,437.20 : x
  2. Step 2: Convert to fraction form
    134,583.40/201,777.90 = 75,437.20/x
  3. Step 3: Cross multiply
    134,583.40x = 201,777.90 × 75,437.20
  4. Step 4: Simplify right side
    134,583.40x = 15,221,559,797.88
  5. Step 5: Solve for x
    x = 15,221,559,797.88/134,583.40
  6. Step 6: Final answer
    x = 113,101.32

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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.