Home / 282,379.12-423,626.28-95,386.48

Finding the Fourth Proportional to 282,379.12, 423,626.28 and 95,386.48

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Solution

The fourth proportional to 282,379.12, 423,626.28 and 95,386.48 is: 143,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,379.12 : 423,626.28 = 95,386.48 : x
  2. Step 2: Convert to fraction form
    282,379.12/423,626.28 = 95,386.48/x
  3. Step 3: Cross multiply
    282,379.12x = 423,626.28 × 95,386.48
  4. Step 4: Simplify right side
    282,379.12x = 40,408,219,684.69
  5. Step 5: Solve for x
    x = 40,408,219,684.69/282,379.12
  6. Step 6: Final answer
    x = 143,099.18

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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.