Home / 101,269.32-151,868.78-56,359.20

Finding the Fourth Proportional to 101,269.32, 151,868.78 and 56,359.20

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Solution

The fourth proportional to 101,269.32, 151,868.78 and 56,359.20 is: 84,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,269.32 : 151,868.78 = 56,359.20 : x
  2. Step 2: Convert to fraction form
    101,269.32/151,868.78 = 56,359.20/x
  3. Step 3: Cross multiply
    101,269.32x = 151,868.78 × 56,359.20
  4. Step 4: Simplify right side
    101,269.32x = 8,559,202,945.78
  5. Step 5: Solve for x
    x = 8,559,202,945.78/101,269.32
  6. Step 6: Final answer
    x = 84,519.21

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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.