Home / 394,762.12-592,205.36-170,186.40

Finding the Fourth Proportional to 394,762.12, 592,205.36 and 170,186.40

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Solution

The fourth proportional to 394,762.12, 592,205.36 and 170,186.40 is: 255,306.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,762.12 : 592,205.36 = 170,186.40 : x
  2. Step 2: Convert to fraction form
    394,762.12/592,205.36 = 170,186.40/x
  3. Step 3: Cross multiply
    394,762.12x = 592,205.36 × 170,186.40
  4. Step 4: Simplify right side
    394,762.12x = 100,785,298,279.10
  5. Step 5: Solve for x
    x = 100,785,298,279.10/394,762.12
  6. Step 6: Final answer
    x = 255,306.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.