Home / 189,747.70-284,949.60-101,174.20

Finding the Fourth Proportional to 189,747.70, 284,949.60 and 101,174.20

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Solution

The fourth proportional to 189,747.70, 284,949.60 and 101,174.20 is: 151,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,747.70 : 284,949.60 = 101,174.20 : x
  2. Step 2: Convert to fraction form
    189,747.70/284,949.60 = 101,174.20/x
  3. Step 3: Cross multiply
    189,747.70x = 284,949.60 × 101,174.20
  4. Step 4: Simplify right side
    189,747.70x = 28,829,547,820.32
  5. Step 5: Solve for x
    x = 28,829,547,820.32/189,747.70
  6. Step 6: Final answer
    x = 151,936.22

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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.