Home / 143,621.95-215,465.23-43,792.24

Finding the Fourth Proportional to 143,621.95, 215,465.23 and 43,792.24

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Solution

The fourth proportional to 143,621.95, 215,465.23 and 43,792.24 is: 65,698.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,621.95 : 215,465.23 = 43,792.24 : x
  2. Step 2: Convert to fraction form
    143,621.95/215,465.23 = 43,792.24/x
  3. Step 3: Cross multiply
    143,621.95x = 215,465.23 × 43,792.24
  4. Step 4: Simplify right side
    143,621.95x = 9,435,703,986.49
  5. Step 5: Solve for x
    x = 9,435,703,986.49/143,621.95
  6. Step 6: Final answer
    x = 65,698.20

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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.