Home / 233,065.51-321,640.01-131,095.73

Finding the Fourth Proportional to 233,065.51, 321,640.01 and 131,095.73

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Solution

The fourth proportional to 233,065.51, 321,640.01 and 131,095.73 is: 180,917.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,065.51 : 321,640.01 = 131,095.73 : x
  2. Step 2: Convert to fraction form
    233,065.51/321,640.01 = 131,095.73/x
  3. Step 3: Cross multiply
    233,065.51x = 321,640.01 × 131,095.73
  4. Step 4: Simplify right side
    233,065.51x = 42,165,631,908.16
  5. Step 5: Solve for x
    x = 42,165,631,908.16/233,065.51
  6. Step 6: Final answer
    x = 180,917.51

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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.