Home / 173,921.16-260,969.28-129,636.84

Finding the Fourth Proportional to 173,921.16, 260,969.28 and 129,636.84

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Solution

The fourth proportional to 173,921.16, 260,969.28 and 129,636.84 is: 194,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,921.16 : 260,969.28 = 129,636.84 : x
  2. Step 2: Convert to fraction form
    173,921.16/260,969.28 = 129,636.84/x
  3. Step 3: Cross multiply
    173,921.16x = 260,969.28 × 129,636.84
  4. Step 4: Simplify right side
    173,921.16x = 33,831,232,796.28
  5. Step 5: Solve for x
    x = 33,831,232,796.28/173,921.16
  6. Step 6: Final answer
    x = 194,520.51

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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.