Home / 198,398.04-273,746.70-117,852.72

Finding the Fourth Proportional to 198,398.04, 273,746.70 and 117,852.72

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Solution

The fourth proportional to 198,398.04, 273,746.70 and 117,852.72 is: 162,611.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,398.04 : 273,746.70 = 117,852.72 : x
  2. Step 2: Convert to fraction form
    198,398.04/273,746.70 = 117,852.72/x
  3. Step 3: Cross multiply
    198,398.04x = 273,746.70 × 117,852.72
  4. Step 4: Simplify right side
    198,398.04x = 32,261,793,186.02
  5. Step 5: Solve for x
    x = 32,261,793,186.02/198,398.04
  6. Step 6: Final answer
    x = 162,611.45

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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.