Home / 121,650.73-167,876.32-70,692.25

Finding the Fourth Proportional to 121,650.73, 167,876.32 and 70,692.25

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Solution

The fourth proportional to 121,650.73, 167,876.32 and 70,692.25 is: 97,554.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,650.73 : 167,876.32 = 70,692.25 : x
  2. Step 2: Convert to fraction form
    121,650.73/167,876.32 = 70,692.25/x
  3. Step 3: Cross multiply
    121,650.73x = 167,876.32 × 70,692.25
  4. Step 4: Simplify right side
    121,650.73x = 11,867,554,782.52
  5. Step 5: Solve for x
    x = 11,867,554,782.52/121,650.73
  6. Step 6: Final answer
    x = 97,554.32

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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.