Home / 283,831.82-391,673.86-161,308.18

Finding the Fourth Proportional to 283,831.82, 391,673.86 and 161,308.18

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Solution

The fourth proportional to 283,831.82, 391,673.86 and 161,308.18 is: 222,597.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,831.82 : 391,673.86 = 161,308.18 : x
  2. Step 2: Convert to fraction form
    283,831.82/391,673.86 = 161,308.18/x
  3. Step 3: Cross multiply
    283,831.82x = 391,673.86 × 161,308.18
  4. Step 4: Simplify right side
    283,831.82x = 63,180,197,510.17
  5. Step 5: Solve for x
    x = 63,180,197,510.17/283,831.82
  6. Step 6: Final answer
    x = 222,597.30

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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.