Home / 186,291.25-257,081.96-101,408.95

Finding the Fourth Proportional to 186,291.25, 257,081.96 and 101,408.95

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Solution

The fourth proportional to 186,291.25, 257,081.96 and 101,408.95 is: 139,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,291.25 : 257,081.96 = 101,408.95 : x
  2. Step 2: Convert to fraction form
    186,291.25/257,081.96 = 101,408.95/x
  3. Step 3: Cross multiply
    186,291.25x = 257,081.96 × 101,408.95
  4. Step 4: Simplify right side
    186,291.25x = 26,070,411,627.54
  5. Step 5: Solve for x
    x = 26,070,411,627.54/186,291.25
  6. Step 6: Final answer
    x = 139,944.37

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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.