Home / 156,077.80-233,598.30-109,421.80

Finding the Fourth Proportional to 156,077.80, 233,598.30 and 109,421.80

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Solution

The fourth proportional to 156,077.80, 233,598.30 and 109,421.80 is: 163,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,077.80 : 233,598.30 = 109,421.80 : x
  2. Step 2: Convert to fraction form
    156,077.80/233,598.30 = 109,421.80/x
  3. Step 3: Cross multiply
    156,077.80x = 233,598.30 × 109,421.80
  4. Step 4: Simplify right side
    156,077.80x = 25,560,746,462.94
  5. Step 5: Solve for x
    x = 25,560,746,462.94/156,077.80
  6. Step 6: Final answer
    x = 163,769.26

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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.