Home / 189,918.28-285,050.22-101,247.40

Finding the Fourth Proportional to 189,918.28, 285,050.22 and 101,247.40

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Solution

The fourth proportional to 189,918.28, 285,050.22 and 101,247.40 is: 151,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,918.28 : 285,050.22 = 101,247.40 : x
  2. Step 2: Convert to fraction form
    189,918.28/285,050.22 = 101,247.40/x
  3. Step 3: Cross multiply
    189,918.28x = 285,050.22 × 101,247.40
  4. Step 4: Simplify right side
    189,918.28x = 28,860,593,644.43
  5. Step 5: Solve for x
    x = 28,860,593,644.43/189,918.28
  6. Step 6: Final answer
    x = 151,963.22

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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.