Home / 233,736.32-322,578.80-138,273.72

Finding the Fourth Proportional to 233,736.32, 322,578.80 and 138,273.72

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Solution

The fourth proportional to 233,736.32, 322,578.80 and 138,273.72 is: 190,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,736.32 : 322,578.80 = 138,273.72 : x
  2. Step 2: Convert to fraction form
    233,736.32/322,578.80 = 138,273.72/x
  3. Step 3: Cross multiply
    233,736.32x = 322,578.80 × 138,273.72
  4. Step 4: Simplify right side
    233,736.32x = 44,604,170,669.14
  5. Step 5: Solve for x
    x = 44,604,170,669.14/233,736.32
  6. Step 6: Final answer
    x = 190,831.15

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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.