Home / 217,577.04-326,358.30-89,488.91

Finding the Fourth Proportional to 217,577.04, 326,358.30 and 89,488.91

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Solution

The fourth proportional to 217,577.04, 326,358.30 and 89,488.91 is: 134,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,577.04 : 326,358.30 = 89,488.91 : x
  2. Step 2: Convert to fraction form
    217,577.04/326,358.30 = 89,488.91/x
  3. Step 3: Cross multiply
    217,577.04x = 326,358.30 × 89,488.91
  4. Step 4: Simplify right side
    217,577.04x = 29,205,446,904.66
  5. Step 5: Solve for x
    x = 29,205,446,904.66/217,577.04
  6. Step 6: Final answer
    x = 134,230.37

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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.