Home / 189,165.57-261,046.77-104,282.63

Finding the Fourth Proportional to 189,165.57, 261,046.77 and 104,282.63

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Solution

The fourth proportional to 189,165.57, 261,046.77 and 104,282.63 is: 143,909.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,165.57 : 261,046.77 = 104,282.63 : x
  2. Step 2: Convert to fraction form
    189,165.57/261,046.77 = 104,282.63/x
  3. Step 3: Cross multiply
    189,165.57x = 261,046.77 × 104,282.63
  4. Step 4: Simplify right side
    189,165.57x = 27,222,643,728.61
  5. Step 5: Solve for x
    x = 27,222,643,728.61/189,165.57
  6. Step 6: Final answer
    x = 143,909.08

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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.