Home / 163,505.14-225,634.08-91,884.13

Finding the Fourth Proportional to 163,505.14, 225,634.08 and 91,884.13

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Solution

The fourth proportional to 163,505.14, 225,634.08 and 91,884.13 is: 126,798.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,505.14 : 225,634.08 = 91,884.13 : x
  2. Step 2: Convert to fraction form
    163,505.14/225,634.08 = 91,884.13/x
  3. Step 3: Cross multiply
    163,505.14x = 225,634.08 × 91,884.13
  4. Step 4: Simplify right side
    163,505.14x = 20,732,191,139.15
  5. Step 5: Solve for x
    x = 20,732,191,139.15/163,505.14
  6. Step 6: Final answer
    x = 126,798.41

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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.