Home / 104,867.49-144,655.23-74,206.05

Finding the Fourth Proportional to 104,867.49, 144,655.23 and 74,206.05

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Solution

The fourth proportional to 104,867.49, 144,655.23 and 74,206.05 is: 102,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,867.49 : 144,655.23 = 74,206.05 : x
  2. Step 2: Convert to fraction form
    104,867.49/144,655.23 = 74,206.05/x
  3. Step 3: Cross multiply
    104,867.49x = 144,655.23 × 74,206.05
  4. Step 4: Simplify right side
    104,867.49x = 10,734,293,230.14
  5. Step 5: Solve for x
    x = 10,734,293,230.14/104,867.49
  6. Step 6: Final answer
    x = 102,360.54

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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.