Home / 291,809.36-402,727.92-171,052.14

Finding the Fourth Proportional to 291,809.36, 402,727.92 and 171,052.14

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Solution

The fourth proportional to 291,809.36, 402,727.92 and 171,052.14 is: 236,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,809.36 : 402,727.92 = 171,052.14 : x
  2. Step 2: Convert to fraction form
    291,809.36/402,727.92 = 171,052.14/x
  3. Step 3: Cross multiply
    291,809.36x = 402,727.92 × 171,052.14
  4. Step 4: Simplify right side
    291,809.36x = 68,887,472,553.75
  5. Step 5: Solve for x
    x = 68,887,472,553.75/291,809.36
  6. Step 6: Final answer
    x = 236,070.13

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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.