Home / 121,012.42-166,973.22-73,270.18

Finding the Fourth Proportional to 121,012.42, 166,973.22 and 73,270.18

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Solution

The fourth proportional to 121,012.42, 166,973.22 and 73,270.18 is: 101,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,012.42 : 166,973.22 = 73,270.18 : x
  2. Step 2: Convert to fraction form
    121,012.42/166,973.22 = 73,270.18/x
  3. Step 3: Cross multiply
    121,012.42x = 166,973.22 × 73,270.18
  4. Step 4: Simplify right side
    121,012.42x = 12,234,157,884.58
  5. Step 5: Solve for x
    x = 12,234,157,884.58/121,012.42
  6. Step 6: Final answer
    x = 101,098.37

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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.