Home / 209,944.13-314,914.95-76,833.59

Finding the Fourth Proportional to 209,944.13, 314,914.95 and 76,833.59

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Solution

The fourth proportional to 209,944.13, 314,914.95 and 76,833.59 is: 115,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,944.13 : 314,914.95 = 76,833.59 : x
  2. Step 2: Convert to fraction form
    209,944.13/314,914.95 = 76,833.59/x
  3. Step 3: Cross multiply
    209,944.13x = 314,914.95 × 76,833.59
  4. Step 4: Simplify right side
    209,944.13x = 24,196,046,153.17
  5. Step 5: Solve for x
    x = 24,196,046,153.17/209,944.13
  6. Step 6: Final answer
    x = 115,249.93

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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.