Home / 151,825.77-209,575.49-91,399.23

Finding the Fourth Proportional to 151,825.77, 209,575.49 and 91,399.23

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Solution

The fourth proportional to 151,825.77, 209,575.49 and 91,399.23 is: 126,164.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,825.77 : 209,575.49 = 91,399.23 : x
  2. Step 2: Convert to fraction form
    151,825.77/209,575.49 = 91,399.23/x
  3. Step 3: Cross multiply
    151,825.77x = 209,575.49 × 91,399.23
  4. Step 4: Simplify right side
    151,825.77x = 19,155,037,955.88
  5. Step 5: Solve for x
    x = 19,155,037,955.88/151,825.77
  6. Step 6: Final answer
    x = 126,164.60

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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.