Home / 261,736.64-392,667.60-84,260.24

Finding the Fourth Proportional to 261,736.64, 392,667.60 and 84,260.24

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Solution

The fourth proportional to 261,736.64, 392,667.60 and 84,260.24 is: 126,410.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,736.64 : 392,667.60 = 84,260.24 : x
  2. Step 2: Convert to fraction form
    261,736.64/392,667.60 = 84,260.24/x
  3. Step 3: Cross multiply
    261,736.64x = 392,667.60 × 84,260.24
  4. Step 4: Simplify right side
    261,736.64x = 33,086,266,216.22
  5. Step 5: Solve for x
    x = 33,086,266,216.22/261,736.64
  6. Step 6: Final answer
    x = 126,410.53

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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.