Home / 165,436.10-228,301.80-93,816.12

Finding the Fourth Proportional to 165,436.10, 228,301.80 and 93,816.12

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Solution

The fourth proportional to 165,436.10, 228,301.80 and 93,816.12 is: 129,466.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,436.10 : 228,301.80 = 93,816.12 : x
  2. Step 2: Convert to fraction form
    165,436.10/228,301.80 = 93,816.12/x
  3. Step 3: Cross multiply
    165,436.10x = 228,301.80 × 93,816.12
  4. Step 4: Simplify right side
    165,436.10x = 21,418,389,569.34
  5. Step 5: Solve for x
    x = 21,418,389,569.34/165,436.10
  6. Step 6: Final answer
    x = 129,466.24

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1.5x scale

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.