Home / 220,434.24-304,186.40-119,831.36

Finding the Fourth Proportional to 220,434.24, 304,186.40 and 119,831.36

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Solution

The fourth proportional to 220,434.24, 304,186.40 and 119,831.36 is: 165,360.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,434.24 : 304,186.40 = 119,831.36 : x
  2. Step 2: Convert to fraction form
    220,434.24/304,186.40 = 119,831.36/x
  3. Step 3: Cross multiply
    220,434.24x = 304,186.40 × 119,831.36
  4. Step 4: Simplify right side
    220,434.24x = 36,451,070,005.50
  5. Step 5: Solve for x
    x = 36,451,070,005.50/220,434.24
  6. Step 6: Final answer
    x = 165,360.29

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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.