Home / 118,867.23-164,035.40-64,418.31

Finding the Fourth Proportional to 118,867.23, 164,035.40 and 64,418.31

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Solution

The fourth proportional to 118,867.23, 164,035.40 and 64,418.31 is: 88,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,867.23 : 164,035.40 = 64,418.31 : x
  2. Step 2: Convert to fraction form
    118,867.23/164,035.40 = 64,418.31/x
  3. Step 3: Cross multiply
    118,867.23x = 164,035.40 × 64,418.31
  4. Step 4: Simplify right side
    118,867.23x = 10,566,882,926.08
  5. Step 5: Solve for x
    x = 10,566,882,926.08/118,867.23
  6. Step 6: Final answer
    x = 88,896.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.