Home / 243,546.28-336,239.20-152,979.77

Finding the Fourth Proportional to 243,546.28, 336,239.20 and 152,979.77

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Solution

The fourth proportional to 243,546.28, 336,239.20 and 152,979.77 is: 211,203.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,546.28 : 336,239.20 = 152,979.77 : x
  2. Step 2: Convert to fraction form
    243,546.28/336,239.20 = 152,979.77/x
  3. Step 3: Cross multiply
    243,546.28x = 336,239.20 × 152,979.77
  4. Step 4: Simplify right side
    243,546.28x = 51,437,796,512.81
  5. Step 5: Solve for x
    x = 51,437,796,512.81/243,546.28
  6. Step 6: Final answer
    x = 211,203.38

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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.