Home / 206,069.24-284,337.06-121,155.32

Finding the Fourth Proportional to 206,069.24, 284,337.06 and 121,155.32

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Solution

The fourth proportional to 206,069.24, 284,337.06 and 121,155.32 is: 167,171.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,069.24 : 284,337.06 = 121,155.32 : x
  2. Step 2: Convert to fraction form
    206,069.24/284,337.06 = 121,155.32/x
  3. Step 3: Cross multiply
    206,069.24x = 284,337.06 × 121,155.32
  4. Step 4: Simplify right side
    206,069.24x = 34,448,947,492.16
  5. Step 5: Solve for x
    x = 34,448,947,492.16/206,069.24
  6. Step 6: Final answer
    x = 167,171.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.