Home / 233,015.66-321,558.54-131,041.08

Finding the Fourth Proportional to 233,015.66, 321,558.54 and 131,041.08

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Solution

The fourth proportional to 233,015.66, 321,558.54 and 131,041.08 is: 180,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,015.66 : 321,558.54 = 131,041.08 : x
  2. Step 2: Convert to fraction form
    233,015.66/321,558.54 = 131,041.08/x
  3. Step 3: Cross multiply
    233,015.66x = 321,558.54 × 131,041.08
  4. Step 4: Simplify right side
    233,015.66x = 42,137,378,364.82
  5. Step 5: Solve for x
    x = 42,137,378,364.82/233,015.66
  6. Step 6: Final answer
    x = 180,834.97

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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.