Home / 117,400.25-162,012.35-67,100.33

Finding the Fourth Proportional to 117,400.25, 162,012.35 and 67,100.33

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Solution

The fourth proportional to 117,400.25, 162,012.35 and 67,100.33 is: 92,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,400.25 : 162,012.35 = 67,100.33 : x
  2. Step 2: Convert to fraction form
    117,400.25/162,012.35 = 67,100.33/x
  3. Step 3: Cross multiply
    117,400.25x = 162,012.35 × 67,100.33
  4. Step 4: Simplify right side
    117,400.25x = 10,871,082,149.08
  5. Step 5: Solve for x
    x = 10,871,082,149.08/117,400.25
  6. Step 6: Final answer
    x = 92,598.46

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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.