Home / 155,759.84-233,713.44-80,840.16

Finding the Fourth Proportional to 155,759.84, 233,713.44 and 80,840.16

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Solution

The fourth proportional to 155,759.84, 233,713.44 and 80,840.16 is: 121,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,759.84 : 233,713.44 = 80,840.16 : x
  2. Step 2: Convert to fraction form
    155,759.84/233,713.44 = 80,840.16/x
  3. Step 3: Cross multiply
    155,759.84x = 233,713.44 × 80,840.16
  4. Step 4: Simplify right side
    155,759.84x = 18,893,431,883.75
  5. Step 5: Solve for x
    x = 18,893,431,883.75/155,759.84
  6. Step 6: Final answer
    x = 121,298.48

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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.