Home / 206,384.06-309,577.18-93,985.90

Finding the Fourth Proportional to 206,384.06, 309,577.18 and 93,985.90

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Solution

The fourth proportional to 206,384.06, 309,577.18 and 93,985.90 is: 140,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,384.06 : 309,577.18 = 93,985.90 : x
  2. Step 2: Convert to fraction form
    206,384.06/309,577.18 = 93,985.90/x
  3. Step 3: Cross multiply
    206,384.06x = 309,577.18 × 93,985.90
  4. Step 4: Simplify right side
    206,384.06x = 29,095,889,881.76
  5. Step 5: Solve for x
    x = 29,095,889,881.76/206,384.06
  6. Step 6: Final answer
    x = 140,979.35

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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.