Home / 206,841.18-285,440.67-117,417.18

Finding the Fourth Proportional to 206,841.18, 285,440.67 and 117,417.18

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Solution

The fourth proportional to 206,841.18, 285,440.67 and 117,417.18 is: 162,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,841.18 : 285,440.67 = 117,417.18 : x
  2. Step 2: Convert to fraction form
    206,841.18/285,440.67 = 117,417.18/x
  3. Step 3: Cross multiply
    206,841.18x = 285,440.67 × 117,417.18
  4. Step 4: Simplify right side
    206,841.18x = 33,515,638,528.71
  5. Step 5: Solve for x
    x = 33,515,638,528.71/206,841.18
  6. Step 6: Final answer
    x = 162,035.62

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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.