Home / 134,906.88-186,184.08-100,856.40

Finding the Fourth Proportional to 134,906.88, 186,184.08 and 100,856.40

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Solution

The fourth proportional to 134,906.88, 186,184.08 and 100,856.40 is: 139,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,906.88 : 186,184.08 = 100,856.40 : x
  2. Step 2: Convert to fraction form
    134,906.88/186,184.08 = 100,856.40/x
  3. Step 3: Cross multiply
    134,906.88x = 186,184.08 × 100,856.40
  4. Step 4: Simplify right side
    134,906.88x = 18,777,856,046.11
  5. Step 5: Solve for x
    x = 18,777,856,046.11/134,906.88
  6. Step 6: Final answer
    x = 139,191.24

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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.