Home / 283,831.84-391,667.91-156,504.70

Finding the Fourth Proportional to 283,831.84, 391,667.91 and 156,504.70

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Solution

The fourth proportional to 283,831.84, 391,667.91 and 156,504.70 is: 215,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,831.84 : 391,667.91 = 156,504.70 : x
  2. Step 2: Convert to fraction form
    283,831.84/391,667.91 = 156,504.70/x
  3. Step 3: Cross multiply
    283,831.84x = 391,667.91 × 156,504.70
  4. Step 4: Simplify right side
    283,831.84x = 61,297,866,795.84
  5. Step 5: Solve for x
    x = 61,297,866,795.84/283,831.84
  6. Step 6: Final answer
    x = 215,965.44

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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.