Home / 193,048.84-289,179.06-99,357.76

Finding the Fourth Proportional to 193,048.84, 289,179.06 and 99,357.76

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Solution

The fourth proportional to 193,048.84, 289,179.06 and 99,357.76 is: 148,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,048.84 : 289,179.06 = 99,357.76 : x
  2. Step 2: Convert to fraction form
    193,048.84/289,179.06 = 99,357.76/x
  3. Step 3: Cross multiply
    193,048.84x = 289,179.06 × 99,357.76
  4. Step 4: Simplify right side
    193,048.84x = 28,732,183,640.51
  5. Step 5: Solve for x
    x = 28,732,183,640.51/193,048.84
  6. Step 6: Final answer
    x = 148,833.75

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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.