Home / 189,439.32-284,170.78-63,090.86

Finding the Fourth Proportional to 189,439.32, 284,170.78 and 63,090.86

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Solution

The fourth proportional to 189,439.32, 284,170.78 and 63,090.86 is: 94,640.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,439.32 : 284,170.78 = 63,090.86 : x
  2. Step 2: Convert to fraction form
    189,439.32/284,170.78 = 63,090.86/x
  3. Step 3: Cross multiply
    189,439.32x = 284,170.78 × 63,090.86
  4. Step 4: Simplify right side
    189,439.32x = 17,928,578,897.07
  5. Step 5: Solve for x
    x = 17,928,578,897.07/189,439.32
  6. Step 6: Final answer
    x = 94,640.22

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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.