Home / 109,531.19-164,296.79-43,002.65

Finding the Fourth Proportional to 109,531.19, 164,296.79 and 43,002.65

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Solution

The fourth proportional to 109,531.19, 164,296.79 and 43,002.65 is: 64,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,531.19 : 164,296.79 = 43,002.65 : x
  2. Step 2: Convert to fraction form
    109,531.19/164,296.79 = 43,002.65/x
  3. Step 3: Cross multiply
    109,531.19x = 164,296.79 × 43,002.65
  4. Step 4: Simplify right side
    109,531.19x = 7,065,197,141.48
  5. Step 5: Solve for x
    x = 7,065,197,141.48/109,531.19
  6. Step 6: Final answer
    x = 64,503.98

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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.