Home / 160,419.48-221,428.20-92,481.84

Finding the Fourth Proportional to 160,419.48, 221,428.20 and 92,481.84

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Solution

The fourth proportional to 160,419.48, 221,428.20 and 92,481.84 is: 127,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,419.48 : 221,428.20 = 92,481.84 : x
  2. Step 2: Convert to fraction form
    160,419.48/221,428.20 = 92,481.84/x
  3. Step 3: Cross multiply
    160,419.48x = 221,428.20 × 92,481.84
  4. Step 4: Simplify right side
    160,419.48x = 20,478,087,363.89
  5. Step 5: Solve for x
    x = 20,478,087,363.89/160,419.48
  6. Step 6: Final answer
    x = 127,653.37

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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.