Home / 144,071.18-198,633.40-118,134.18

Finding the Fourth Proportional to 144,071.18, 198,633.40 and 118,134.18

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Solution

The fourth proportional to 144,071.18, 198,633.40 and 118,134.18 is: 162,873.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,071.18 : 198,633.40 = 118,134.18 : x
  2. Step 2: Convert to fraction form
    144,071.18/198,633.40 = 118,134.18/x
  3. Step 3: Cross multiply
    144,071.18x = 198,633.40 × 118,134.18
  4. Step 4: Simplify right side
    144,071.18x = 23,465,393,829.61
  5. Step 5: Solve for x
    x = 23,465,393,829.61/144,071.18
  6. Step 6: Final answer
    x = 162,873.61

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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.