Home / 151,771.32-209,444.94-88,111.80

Finding the Fourth Proportional to 151,771.32, 209,444.94 and 88,111.80

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Solution

The fourth proportional to 151,771.32, 209,444.94 and 88,111.80 is: 121,594.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,771.32 : 209,444.94 = 88,111.80 : x
  2. Step 2: Convert to fraction form
    151,771.32/209,444.94 = 88,111.80/x
  3. Step 3: Cross multiply
    151,771.32x = 209,444.94 × 88,111.80
  4. Step 4: Simplify right side
    151,771.32x = 18,454,570,664.29
  5. Step 5: Solve for x
    x = 18,454,570,664.29/151,771.32
  6. Step 6: Final answer
    x = 121,594.58

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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.