Home / 189,699.40-284,174.70-96,272.20

Finding the Fourth Proportional to 189,699.40, 284,174.70 and 96,272.20

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Solution

The fourth proportional to 189,699.40, 284,174.70 and 96,272.20 is: 144,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,699.40 : 284,174.70 = 96,272.20 : x
  2. Step 2: Convert to fraction form
    189,699.40/284,174.70 = 96,272.20/x
  3. Step 3: Cross multiply
    189,699.40x = 284,174.70 × 96,272.20
  4. Step 4: Simplify right side
    189,699.40x = 27,358,123,553.34
  5. Step 5: Solve for x
    x = 27,358,123,553.34/189,699.40
  6. Step 6: Final answer
    x = 144,218.29

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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.