Home / 101,173.87-139,592.01-58,151.14

Finding the Fourth Proportional to 101,173.87, 139,592.01 and 58,151.14

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Solution

The fourth proportional to 101,173.87, 139,592.01 and 58,151.14 is: 80,232.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,173.87 : 139,592.01 = 58,151.14 : x
  2. Step 2: Convert to fraction form
    101,173.87/139,592.01 = 58,151.14/x
  3. Step 3: Cross multiply
    101,173.87x = 139,592.01 × 58,151.14
  4. Step 4: Simplify right side
    101,173.87x = 8,117,434,516.39
  5. Step 5: Solve for x
    x = 8,117,434,516.39/101,173.87
  6. Step 6: Final answer
    x = 80,232.52

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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.