Home / 169,797.04-254,307.68-81,113.28

Finding the Fourth Proportional to 169,797.04, 254,307.68 and 81,113.28

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Solution

The fourth proportional to 169,797.04, 254,307.68 and 81,113.28 is: 121,484.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,797.04 : 254,307.68 = 81,113.28 : x
  2. Step 2: Convert to fraction form
    169,797.04/254,307.68 = 81,113.28/x
  3. Step 3: Cross multiply
    169,797.04x = 254,307.68 × 81,113.28
  4. Step 4: Simplify right side
    169,797.04x = 20,627,730,053.99
  5. Step 5: Solve for x
    x = 20,627,730,053.99/169,797.04
  6. Step 6: Final answer
    x = 121,484.63

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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.