Home / 163,217.86-225,244.74-91,603.60

Finding the Fourth Proportional to 163,217.86, 225,244.74 and 91,603.60

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Solution

The fourth proportional to 163,217.86, 225,244.74 and 91,603.60 is: 126,415.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,217.86 : 225,244.74 = 91,603.60 : x
  2. Step 2: Convert to fraction form
    163,217.86/225,244.74 = 91,603.60/x
  3. Step 3: Cross multiply
    163,217.86x = 225,244.74 × 91,603.60
  4. Step 4: Simplify right side
    163,217.86x = 20,633,229,065.06
  5. Step 5: Solve for x
    x = 20,633,229,065.06/163,217.86
  6. Step 6: Final answer
    x = 126,415.27

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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.