Home / 193,001.11-289,499.55-79,123.51

Finding the Fourth Proportional to 193,001.11, 289,499.55 and 79,123.51

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Solution

The fourth proportional to 193,001.11, 289,499.55 and 79,123.51 is: 118,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,001.11 : 289,499.55 = 79,123.51 : x
  2. Step 2: Convert to fraction form
    193,001.11/289,499.55 = 79,123.51/x
  3. Step 3: Cross multiply
    193,001.11x = 289,499.55 × 79,123.51
  4. Step 4: Simplify right side
    193,001.11x = 22,906,220,539.42
  5. Step 5: Solve for x
    x = 22,906,220,539.42/193,001.11
  6. Step 6: Final answer
    x = 118,684.40

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1.5x scale

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.