Home / 217,746.30-326,619.45-93,099.90

Finding the Fourth Proportional to 217,746.30, 326,619.45 and 93,099.90

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Solution

The fourth proportional to 217,746.30, 326,619.45 and 93,099.90 is: 139,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,746.30 : 326,619.45 = 93,099.90 : x
  2. Step 2: Convert to fraction form
    217,746.30/326,619.45 = 93,099.90/x
  3. Step 3: Cross multiply
    217,746.30x = 326,619.45 × 93,099.90
  4. Step 4: Simplify right side
    217,746.30x = 30,408,238,133.06
  5. Step 5: Solve for x
    x = 30,408,238,133.06/217,746.30
  6. Step 6: Final answer
    x = 139,649.85

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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.