Home / 193,184.10-289,920.15-99,641.70

Finding the Fourth Proportional to 193,184.10, 289,920.15 and 99,641.70

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Solution

The fourth proportional to 193,184.10, 289,920.15 and 99,641.70 is: 149,536.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,184.10 : 289,920.15 = 99,641.70 : x
  2. Step 2: Convert to fraction form
    193,184.10/289,920.15 = 99,641.70/x
  3. Step 3: Cross multiply
    193,184.10x = 289,920.15 × 99,641.70
  4. Step 4: Simplify right side
    193,184.10x = 28,888,136,610.26
  5. Step 5: Solve for x
    x = 28,888,136,610.26/193,184.10
  6. Step 6: Final answer
    x = 149,536.82

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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.