Home / 283,927.80-391,831.92-156,611.46

Finding the Fourth Proportional to 283,927.80, 391,831.92 and 156,611.46

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Solution

The fourth proportional to 283,927.80, 391,831.92 and 156,611.46 is: 216,130.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,927.80 : 391,831.92 = 156,611.46 : x
  2. Step 2: Convert to fraction form
    283,927.80/391,831.92 = 156,611.46/x
  3. Step 3: Cross multiply
    283,927.80x = 391,831.92 × 156,611.46
  4. Step 4: Simplify right side
    283,927.80x = 61,365,369,065.80
  5. Step 5: Solve for x
    x = 61,365,369,065.80/283,927.80
  6. Step 6: Final answer
    x = 216,130.19

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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.