Home / 217,784.13-300,612.57-141,168.06

Finding the Fourth Proportional to 217,784.13, 300,612.57 and 141,168.06

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Solution

The fourth proportional to 217,784.13, 300,612.57 and 141,168.06 is: 194,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784.13 : 300,612.57 = 141,168.06 : x
  2. Step 2: Convert to fraction form
    217,784.13/300,612.57 = 141,168.06/x
  3. Step 3: Cross multiply
    217,784.13x = 300,612.57 × 141,168.06
  4. Step 4: Simplify right side
    217,784.13x = 42,436,893,318.51
  5. Step 5: Solve for x
    x = 42,436,893,318.51/217,784.13
  6. Step 6: Final answer
    x = 194,857.60

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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.