Home / 189,612.78-284,574.69-96,145.26

Finding the Fourth Proportional to 189,612.78, 284,574.69 and 96,145.26

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Solution

The fourth proportional to 189,612.78, 284,574.69 and 96,145.26 is: 144,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612.78 : 284,574.69 = 96,145.26 : x
  2. Step 2: Convert to fraction form
    189,612.78/284,574.69 = 96,145.26/x
  3. Step 3: Cross multiply
    189,612.78x = 284,574.69 × 96,145.26
  4. Step 4: Simplify right side
    189,612.78x = 27,360,507,559.47
  5. Step 5: Solve for x
    x = 27,360,507,559.47/189,612.78
  6. Step 6: Final answer
    x = 144,296.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.