Home / 189,240.02-261,164.13-109,752.02

Finding the Fourth Proportional to 189,240.02, 261,164.13 and 109,752.02

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Solution

The fourth proportional to 189,240.02, 261,164.13 and 109,752.02 is: 151,465.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,240.02 : 261,164.13 = 109,752.02 : x
  2. Step 2: Convert to fraction form
    189,240.02/261,164.13 = 109,752.02/x
  3. Step 3: Cross multiply
    189,240.02x = 261,164.13 × 109,752.02
  4. Step 4: Simplify right side
    189,240.02x = 28,663,290,819.04
  5. Step 5: Solve for x
    x = 28,663,290,819.04/189,240.02
  6. Step 6: Final answer
    x = 151,465.27

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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.