Home / 169,869.08-234,422.32-93,391.40

Finding the Fourth Proportional to 169,869.08, 234,422.32 and 93,391.40

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Solution

The fourth proportional to 169,869.08, 234,422.32 and 93,391.40 is: 128,881.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,869.08 : 234,422.32 = 93,391.40 : x
  2. Step 2: Convert to fraction form
    169,869.08/234,422.32 = 93,391.40/x
  3. Step 3: Cross multiply
    169,869.08x = 234,422.32 × 93,391.40
  4. Step 4: Simplify right side
    169,869.08x = 21,893,028,656.05
  5. Step 5: Solve for x
    x = 21,893,028,656.05/169,869.08
  6. Step 6: Final answer
    x = 128,881.78

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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.