Home / 205,849.07-284,084.24-115,203.19

Finding the Fourth Proportional to 205,849.07, 284,084.24 and 115,203.19

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Solution

The fourth proportional to 205,849.07, 284,084.24 and 115,203.19 is: 158,987.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,849.07 : 284,084.24 = 115,203.19 : x
  2. Step 2: Convert to fraction form
    205,849.07/284,084.24 = 115,203.19/x
  3. Step 3: Cross multiply
    205,849.07x = 284,084.24 × 115,203.19
  4. Step 4: Simplify right side
    205,849.07x = 32,727,408,680.29
  5. Step 5: Solve for x
    x = 32,727,408,680.29/205,849.07
  6. Step 6: Final answer
    x = 158,987.40

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1.5x scale

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.