Home / 165,862.49-228,889.90-93,265.63

Finding the Fourth Proportional to 165,862.49, 228,889.90 and 93,265.63

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Solution

The fourth proportional to 165,862.49, 228,889.90 and 93,265.63 is: 128,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,862.49 : 228,889.90 = 93,265.63 : x
  2. Step 2: Convert to fraction form
    165,862.49/228,889.90 = 93,265.63/x
  3. Step 3: Cross multiply
    165,862.49x = 228,889.90 × 93,265.63
  4. Step 4: Simplify right side
    165,862.49x = 21,347,560,268.49
  5. Step 5: Solve for x
    x = 21,347,560,268.49/165,862.49
  6. Step 6: Final answer
    x = 128,706.38

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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.