Home / 120,684.57-181,076.07-97,212.59

Finding the Fourth Proportional to 120,684.57, 181,076.07 and 97,212.59

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Solution

The fourth proportional to 120,684.57, 181,076.07 and 97,212.59 is: 145,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,684.57 : 181,076.07 = 97,212.59 : x
  2. Step 2: Convert to fraction form
    120,684.57/181,076.07 = 97,212.59/x
  3. Step 3: Cross multiply
    120,684.57x = 181,076.07 × 97,212.59
  4. Step 4: Simplify right side
    120,684.57x = 17,602,873,889.92
  5. Step 5: Solve for x
    x = 17,602,873,889.92/120,684.57
  6. Step 6: Final answer
    x = 145,858.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.