Home / 189,198.02-261,095.03-104,318.10

Finding the Fourth Proportional to 189,198.02, 261,095.03 and 104,318.10

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Solution

The fourth proportional to 189,198.02, 261,095.03 and 104,318.10 is: 143,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,198.02 : 261,095.03 = 104,318.10 : x
  2. Step 2: Convert to fraction form
    189,198.02/261,095.03 = 104,318.10/x
  3. Step 3: Cross multiply
    189,198.02x = 261,095.03 × 104,318.10
  4. Step 4: Simplify right side
    189,198.02x = 27,236,937,449.04
  5. Step 5: Solve for x
    x = 27,236,937,449.04/189,198.02
  6. Step 6: Final answer
    x = 143,959.95

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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.