Home / 189,523.48-284,283.82-77,177.29

Finding the Fourth Proportional to 189,523.48, 284,283.82 and 77,177.29

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Solution

The fourth proportional to 189,523.48, 284,283.82 and 77,177.29 is: 115,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,523.48 : 284,283.82 = 77,177.29 : x
  2. Step 2: Convert to fraction form
    189,523.48/284,283.82 = 77,177.29/x
  3. Step 3: Cross multiply
    189,523.48x = 284,283.82 × 77,177.29
  4. Step 4: Simplify right side
    189,523.48x = 21,940,254,818.45
  5. Step 5: Solve for x
    x = 21,940,254,818.45/189,523.48
  6. Step 6: Final answer
    x = 115,765.36

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1.5x scale

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.