Home / 189,686.40-284,155.20-96,259.20

Finding the Fourth Proportional to 189,686.40, 284,155.20 and 96,259.20

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Solution

The fourth proportional to 189,686.40, 284,155.20 and 96,259.20 is: 144,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,686.40 : 284,155.20 = 96,259.20 : x
  2. Step 2: Convert to fraction form
    189,686.40/284,155.20 = 96,259.20/x
  3. Step 3: Cross multiply
    189,686.40x = 284,155.20 × 96,259.20
  4. Step 4: Simplify right side
    189,686.40x = 27,352,552,227.84
  5. Step 5: Solve for x
    x = 27,352,552,227.84/189,686.40
  6. Step 6: Final answer
    x = 144,198.81

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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.