Home / 206,705.18-285,256.14-116,080.76

Finding the Fourth Proportional to 206,705.18, 285,256.14 and 116,080.76

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Solution

The fourth proportional to 206,705.18, 285,256.14 and 116,080.76 is: 160,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,705.18 : 285,256.14 = 116,080.76 : x
  2. Step 2: Convert to fraction form
    206,705.18/285,256.14 = 116,080.76/x
  3. Step 3: Cross multiply
    206,705.18x = 285,256.14 × 116,080.76
  4. Step 4: Simplify right side
    206,705.18x = 33,112,749,525.87
  5. Step 5: Solve for x
    x = 33,112,749,525.87/206,705.18
  6. Step 6: Final answer
    x = 160,193.13

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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.