Home / 113,936.76-170,934.42-81,952.68

Finding the Fourth Proportional to 113,936.76, 170,934.42 and 81,952.68

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Solution

The fourth proportional to 113,936.76, 170,934.42 and 81,952.68 is: 122,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,936.76 : 170,934.42 = 81,952.68 : x
  2. Step 2: Convert to fraction form
    113,936.76/170,934.42 = 81,952.68/x
  3. Step 3: Cross multiply
    113,936.76x = 170,934.42 × 81,952.68
  4. Step 4: Simplify right side
    113,936.76x = 14,008,533,823.25
  5. Step 5: Solve for x
    x = 14,008,533,823.25/113,936.76
  6. Step 6: Final answer
    x = 122,950.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.