Home / 312,248.22-468,319.05-112,528.86

Finding the Fourth Proportional to 312,248.22, 468,319.05 and 112,528.86

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Solution

The fourth proportional to 312,248.22, 468,319.05 and 112,528.86 is: 168,774.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,248.22 : 468,319.05 = 112,528.86 : x
  2. Step 2: Convert to fraction form
    312,248.22/468,319.05 = 112,528.86/x
  3. Step 3: Cross multiply
    312,248.22x = 468,319.05 × 112,528.86
  4. Step 4: Simplify right side
    312,248.22x = 52,699,408,812.78
  5. Step 5: Solve for x
    x = 52,699,408,812.78/312,248.22
  6. Step 6: Final answer
    x = 168,774.09

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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.