Home / 189,700.40-284,176.20-96,273.20

Finding the Fourth Proportional to 189,700.40, 284,176.20 and 96,273.20

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Solution

The fourth proportional to 189,700.40, 284,176.20 and 96,273.20 is: 144,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,700.40 : 284,176.20 = 96,273.20 : x
  2. Step 2: Convert to fraction form
    189,700.40/284,176.20 = 96,273.20/x
  3. Step 3: Cross multiply
    189,700.40x = 284,176.20 × 96,273.20
  4. Step 4: Simplify right side
    189,700.40x = 27,358,552,137.84
  5. Step 5: Solve for x
    x = 27,358,552,137.84/189,700.40
  6. Step 6: Final answer
    x = 144,219.79

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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.