Home / 217,532.45-326,314.22-91,045.41

Finding the Fourth Proportional to 217,532.45, 326,314.22 and 91,045.41

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Solution

The fourth proportional to 217,532.45, 326,314.22 and 91,045.41 is: 136,574.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,532.45 : 326,314.22 = 91,045.41 : x
  2. Step 2: Convert to fraction form
    217,532.45/326,314.22 = 91,045.41/x
  3. Step 3: Cross multiply
    217,532.45x = 326,314.22 × 91,045.41
  4. Step 4: Simplify right side
    217,532.45x = 29,709,411,493.50
  5. Step 5: Solve for x
    x = 29,709,411,493.50/217,532.45
  6. Step 6: Final answer
    x = 136,574.62

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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.