Home / 189,167.12-283,834.26-99,188.34

Finding the Fourth Proportional to 189,167.12, 283,834.26 and 99,188.34

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Solution

The fourth proportional to 189,167.12, 283,834.26 and 99,188.34 is: 148,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167.12 : 283,834.26 = 99,188.34 : x
  2. Step 2: Convert to fraction form
    189,167.12/283,834.26 = 99,188.34/x
  3. Step 3: Cross multiply
    189,167.12x = 283,834.26 × 99,188.34
  4. Step 4: Simplify right side
    189,167.12x = 28,153,049,084.53
  5. Step 5: Solve for x
    x = 28,153,049,084.53/189,167.12
  6. Step 6: Final answer
    x = 148,826.34

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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.