Home / 163,295.22-225,334.94-91,661.40

Finding the Fourth Proportional to 163,295.22, 225,334.94 and 91,661.40

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Solution

The fourth proportional to 163,295.22, 225,334.94 and 91,661.40 is: 126,485.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,295.22 : 225,334.94 = 91,661.40 : x
  2. Step 2: Convert to fraction form
    163,295.22/225,334.94 = 91,661.40/x
  3. Step 3: Cross multiply
    163,295.22x = 225,334.94 × 91,661.40
  4. Step 4: Simplify right side
    163,295.22x = 20,654,516,069.32
  5. Step 5: Solve for x
    x = 20,654,516,069.32/163,295.22
  6. Step 6: Final answer
    x = 126,485.74

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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.