Home / 198,214.84-273,526.50-117,645.76

Finding the Fourth Proportional to 198,214.84, 273,526.50 and 117,645.76

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Solution

The fourth proportional to 198,214.84, 273,526.50 and 117,645.76 is: 162,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,214.84 : 273,526.50 = 117,645.76 : x
  2. Step 2: Convert to fraction form
    198,214.84/273,526.50 = 117,645.76/x
  3. Step 3: Cross multiply
    198,214.84x = 273,526.50 × 117,645.76
  4. Step 4: Simplify right side
    198,214.84x = 32,179,232,972.64
  5. Step 5: Solve for x
    x = 32,179,232,972.64/198,214.84
  6. Step 6: Final answer
    x = 162,345.23

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1.5x scale

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.