Home / 282,741.12-423,951.68-93,150.24

Finding the Fourth Proportional to 282,741.12, 423,951.68 and 93,150.24

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Solution

The fourth proportional to 282,741.12, 423,951.68 and 93,150.24 is: 139,672.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,741.12 : 423,951.68 = 93,150.24 : x
  2. Step 2: Convert to fraction form
    282,741.12/423,951.68 = 93,150.24/x
  3. Step 3: Cross multiply
    282,741.12x = 423,951.68 × 93,150.24
  4. Step 4: Simplify right side
    282,741.12x = 39,491,200,740.40
  5. Step 5: Solve for x
    x = 39,491,200,740.40/282,741.12
  6. Step 6: Final answer
    x = 139,672.65

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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.