Home / 169,423.26-233,770.56-100,500

Finding the Fourth Proportional to 169,423.26, 233,770.56 and 100,500

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Solution

The fourth proportional to 169,423.26, 233,770.56 and 100,500 is: 138,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,423.26 : 233,770.56 = 100,500 : x
  2. Step 2: Convert to fraction form
    169,423.26/233,770.56 = 100,500/x
  3. Step 3: Cross multiply
    169,423.26x = 233,770.56 × 100,500
  4. Step 4: Simplify right side
    169,423.26x = 23,493,941,280
  5. Step 5: Solve for x
    x = 23,493,941,280/169,423.26
  6. Step 6: Final answer
    x = 138,670.11

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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.