Home / 189,470.17-261,468.30-104,586.63

Finding the Fourth Proportional to 189,470.17, 261,468.30 and 104,586.63

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Solution

The fourth proportional to 189,470.17, 261,468.30 and 104,586.63 is: 144,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,470.17 : 261,468.30 = 104,586.63 : x
  2. Step 2: Convert to fraction form
    189,470.17/261,468.30 = 104,586.63/x
  3. Step 3: Cross multiply
    189,470.17x = 261,468.30 × 104,586.63
  4. Step 4: Simplify right side
    189,470.17x = 27,346,088,348.83
  5. Step 5: Solve for x
    x = 27,346,088,348.83/189,470.17
  6. Step 6: Final answer
    x = 144,329.25

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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.