Home / 198,316.71-297,222.35-92,903.31

Finding the Fourth Proportional to 198,316.71, 297,222.35 and 92,903.31

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Solution

The fourth proportional to 198,316.71, 297,222.35 and 92,903.31 is: 139,236.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,316.71 : 297,222.35 = 92,903.31 : x
  2. Step 2: Convert to fraction form
    198,316.71/297,222.35 = 92,903.31/x
  3. Step 3: Cross multiply
    198,316.71x = 297,222.35 × 92,903.31
  4. Step 4: Simplify right side
    198,316.71x = 27,612,939,656.46
  5. Step 5: Solve for x
    x = 27,612,939,656.46/198,316.71
  6. Step 6: Final answer
    x = 139,236.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.