Home / 413,145.36-570,107.16-231,832.08

Finding the Fourth Proportional to 413,145.36, 570,107.16 and 231,832.08

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Solution

The fourth proportional to 413,145.36, 570,107.16 and 231,832.08 is: 319,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,145.36 : 570,107.16 = 231,832.08 : x
  2. Step 2: Convert to fraction form
    413,145.36/570,107.16 = 231,832.08/x
  3. Step 3: Cross multiply
    413,145.36x = 570,107.16 × 231,832.08
  4. Step 4: Simplify right side
    413,145.36x = 132,169,128,725.69
  5. Step 5: Solve for x
    x = 132,169,128,725.69/413,145.36
  6. Step 6: Final answer
    x = 319,909.51

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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.