Home / 189,548.75-284,244.07-77,152.89

Finding the Fourth Proportional to 189,548.75, 284,244.07 and 77,152.89

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Solution

The fourth proportional to 189,548.75, 284,244.07 and 77,152.89 is: 115,697.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,548.75 : 284,244.07 = 77,152.89 : x
  2. Step 2: Convert to fraction form
    189,548.75/284,244.07 = 77,152.89/x
  3. Step 3: Cross multiply
    189,548.75x = 284,244.07 × 77,152.89
  4. Step 4: Simplify right side
    189,548.75x = 21,930,251,465.86
  5. Step 5: Solve for x
    x = 21,930,251,465.86/189,548.75
  6. Step 6: Final answer
    x = 115,697.16

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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.