Home / 217,924.02-300,718.98-122,446.62

Finding the Fourth Proportional to 217,924.02, 300,718.98 and 122,446.62

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Solution

The fourth proportional to 217,924.02, 300,718.98 and 122,446.62 is: 168,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,924.02 : 300,718.98 = 122,446.62 : x
  2. Step 2: Convert to fraction form
    217,924.02/300,718.98 = 122,446.62/x
  3. Step 3: Cross multiply
    217,924.02x = 300,718.98 × 122,446.62
  4. Step 4: Simplify right side
    217,924.02x = 36,822,022,670.85
  5. Step 5: Solve for x
    x = 36,822,022,670.85/217,924.02
  6. Step 6: Final answer
    x = 168,967.25

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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.