Home / 189,128.45-283,734.19-56,019.13

Finding the Fourth Proportional to 189,128.45, 283,734.19 and 56,019.13

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Solution

The fourth proportional to 189,128.45, 283,734.19 and 56,019.13 is: 84,040.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,128.45 : 283,734.19 = 56,019.13 : x
  2. Step 2: Convert to fraction form
    189,128.45/283,734.19 = 56,019.13/x
  3. Step 3: Cross multiply
    189,128.45x = 283,734.19 × 56,019.13
  4. Step 4: Simplify right side
    189,128.45x = 15,894,541,835.74
  5. Step 5: Solve for x
    x = 15,894,541,835.74/189,128.45
  6. Step 6: Final answer
    x = 84,040.99

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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.