Home / 140,264.16-193,556.04-76,589.04

Finding the Fourth Proportional to 140,264.16, 193,556.04 and 76,589.04

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Solution

The fourth proportional to 140,264.16, 193,556.04 and 76,589.04 is: 105,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,264.16 : 193,556.04 = 76,589.04 : x
  2. Step 2: Convert to fraction form
    140,264.16/193,556.04 = 76,589.04/x
  3. Step 3: Cross multiply
    140,264.16x = 193,556.04 × 76,589.04
  4. Step 4: Simplify right side
    140,264.16x = 14,824,271,289.80
  5. Step 5: Solve for x
    x = 14,824,271,289.80/140,264.16
  6. Step 6: Final answer
    x = 105,688.23

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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.