Home / 176,172.54-243,118.27-100,722.62

Finding the Fourth Proportional to 176,172.54, 243,118.27 and 100,722.62

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Solution

The fourth proportional to 176,172.54, 243,118.27 and 100,722.62 is: 138,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.54 : 243,118.27 = 100,722.62 : x
  2. Step 2: Convert to fraction form
    176,172.54/243,118.27 = 100,722.62/x
  3. Step 3: Cross multiply
    176,172.54x = 243,118.27 × 100,722.62
  4. Step 4: Simplify right side
    176,172.54x = 24,487,509,124.27
  5. Step 5: Solve for x
    x = 24,487,509,124.27/176,172.54
  6. Step 6: Final answer
    x = 138,997.31

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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.