Home / 165,969.20-229,058.10-101,425.16

Finding the Fourth Proportional to 165,969.20, 229,058.10 and 101,425.16

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Solution

The fourth proportional to 165,969.20, 229,058.10 and 101,425.16 is: 139,979.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,969.20 : 229,058.10 = 101,425.16 : x
  2. Step 2: Convert to fraction form
    165,969.20/229,058.10 = 101,425.16/x
  3. Step 3: Cross multiply
    165,969.20x = 229,058.10 × 101,425.16
  4. Step 4: Simplify right side
    165,969.20x = 23,232,254,441.80
  5. Step 5: Solve for x
    x = 23,232,254,441.80/165,969.20
  6. Step 6: Final answer
    x = 139,979.31

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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.