Home / 121,173.80-167,218.26-70,193.48

Finding the Fourth Proportional to 121,173.80, 167,218.26 and 70,193.48

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Solution

The fourth proportional to 121,173.80, 167,218.26 and 70,193.48 is: 96,866.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,173.80 : 167,218.26 = 70,193.48 : x
  2. Step 2: Convert to fraction form
    121,173.80/167,218.26 = 70,193.48/x
  3. Step 3: Cross multiply
    121,173.80x = 167,218.26 × 70,193.48
  4. Step 4: Simplify right side
    121,173.80x = 11,737,631,588.94
  5. Step 5: Solve for x
    x = 11,737,631,588.94/121,173.80
  6. Step 6: Final answer
    x = 96,866.08

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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.