Home / 189,244.02-261,169.65-109,756.02

Finding the Fourth Proportional to 189,244.02, 261,169.65 and 109,756.02

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Solution

The fourth proportional to 189,244.02, 261,169.65 and 109,756.02 is: 151,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,244.02 : 261,169.65 = 109,756.02 : x
  2. Step 2: Convert to fraction form
    189,244.02/261,169.65 = 109,756.02/x
  3. Step 3: Cross multiply
    189,244.02x = 261,169.65 × 109,756.02
  4. Step 4: Simplify right side
    189,244.02x = 28,664,941,328.79
  5. Step 5: Solve for x
    x = 28,664,941,328.79/189,244.02
  6. Step 6: Final answer
    x = 151,470.79

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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.