Home / 142,366.14-213,678.57-75,863.10

Finding the Fourth Proportional to 142,366.14, 213,678.57 and 75,863.10

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Solution

The fourth proportional to 142,366.14, 213,678.57 and 75,863.10 is: 113,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,366.14 : 213,678.57 = 75,863.10 : x
  2. Step 2: Convert to fraction form
    142,366.14/213,678.57 = 75,863.10/x
  3. Step 3: Cross multiply
    142,366.14x = 213,678.57 × 75,863.10
  4. Step 4: Simplify right side
    142,366.14x = 16,210,318,723.77
  5. Step 5: Solve for x
    x = 16,210,318,723.77/142,366.14
  6. Step 6: Final answer
    x = 113,863.58

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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.