Home / 186,528.20-257,408.94-101,645.25

Finding the Fourth Proportional to 186,528.20, 257,408.94 and 101,645.25

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Solution

The fourth proportional to 186,528.20, 257,408.94 and 101,645.25 is: 140,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,528.20 : 257,408.94 = 101,645.25 : x
  2. Step 2: Convert to fraction form
    186,528.20/257,408.94 = 101,645.25/x
  3. Step 3: Cross multiply
    186,528.20x = 257,408.94 × 101,645.25
  4. Step 4: Simplify right side
    186,528.20x = 26,164,396,058.54
  5. Step 5: Solve for x
    x = 26,164,396,058.54/186,528.20
  6. Step 6: Final answer
    x = 140,270.46

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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.