Home / 104,691.49-144,533.43-80,116.12

Finding the Fourth Proportional to 104,691.49, 144,533.43 and 80,116.12

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Solution

The fourth proportional to 104,691.49, 144,533.43 and 80,116.12 is: 110,605.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,691.49 : 144,533.43 = 80,116.12 : x
  2. Step 2: Convert to fraction form
    104,691.49/144,533.43 = 80,116.12/x
  3. Step 3: Cross multiply
    104,691.49x = 144,533.43 × 80,116.12
  4. Step 4: Simplify right side
    104,691.49x = 11,579,457,621.89
  5. Step 5: Solve for x
    x = 11,579,457,621.89/104,691.49
  6. Step 6: Final answer
    x = 110,605.53

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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.