Home / 193,047.84-289,177.56-99,356.76

Finding the Fourth Proportional to 193,047.84, 289,177.56 and 99,356.76

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Solution

The fourth proportional to 193,047.84, 289,177.56 and 99,356.76 is: 148,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,047.84 : 289,177.56 = 99,356.76 : x
  2. Step 2: Convert to fraction form
    193,047.84/289,177.56 = 99,356.76/x
  3. Step 3: Cross multiply
    193,047.84x = 289,177.56 × 99,356.76
  4. Step 4: Simplify right side
    193,047.84x = 28,731,745,426.31
  5. Step 5: Solve for x
    x = 28,731,745,426.31/193,047.84
  6. Step 6: Final answer
    x = 148,832.26

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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.