Home / 177,616.59-245,099.13-101,143.50

Finding the Fourth Proportional to 177,616.59, 245,099.13 and 101,143.50

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Solution

The fourth proportional to 177,616.59, 245,099.13 and 101,143.50 is: 139,571.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,616.59 : 245,099.13 = 101,143.50 : x
  2. Step 2: Convert to fraction form
    177,616.59/245,099.13 = 101,143.50/x
  3. Step 3: Cross multiply
    177,616.59x = 245,099.13 × 101,143.50
  4. Step 4: Simplify right side
    177,616.59x = 24,790,183,855.16
  5. Step 5: Solve for x
    x = 24,790,183,855.16/177,616.59
  6. Step 6: Final answer
    x = 139,571.33

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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.