Home / 189,023.13-283,587.24-82,416.40

Finding the Fourth Proportional to 189,023.13, 283,587.24 and 82,416.40

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Solution

The fourth proportional to 189,023.13, 283,587.24 and 82,416.40 is: 123,647.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,023.13 : 283,587.24 = 82,416.40 : x
  2. Step 2: Convert to fraction form
    189,023.13/283,587.24 = 82,416.40/x
  3. Step 3: Cross multiply
    189,023.13x = 283,587.24 × 82,416.40
  4. Step 4: Simplify right side
    189,023.13x = 23,372,238,994.65
  5. Step 5: Solve for x
    x = 23,372,238,994.65/189,023.13
  6. Step 6: Final answer
    x = 123,647.51

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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.