Home / 283,831.59-391,667.57-156,504.45

Finding the Fourth Proportional to 283,831.59, 391,667.57 and 156,504.45

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Solution

The fourth proportional to 283,831.59, 391,667.57 and 156,504.45 is: 215,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,831.59 : 391,667.57 = 156,504.45 : x
  2. Step 2: Convert to fraction form
    283,831.59/391,667.57 = 156,504.45/x
  3. Step 3: Cross multiply
    283,831.59x = 391,667.57 × 156,504.45
  4. Step 4: Simplify right side
    283,831.59x = 61,297,714,884.83
  5. Step 5: Solve for x
    x = 61,297,714,884.83/283,831.59
  6. Step 6: Final answer
    x = 215,965.09

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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.