Home / 143,943.48-215,909.10-49,182.16

Finding the Fourth Proportional to 143,943.48, 215,909.10 and 49,182.16

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Solution

The fourth proportional to 143,943.48, 215,909.10 and 49,182.16 is: 73,771.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,943.48 : 215,909.10 = 49,182.16 : x
  2. Step 2: Convert to fraction form
    143,943.48/215,909.10 = 49,182.16/x
  3. Step 3: Cross multiply
    143,943.48x = 215,909.10 × 49,182.16
  4. Step 4: Simplify right side
    143,943.48x = 10,618,875,901.66
  5. Step 5: Solve for x
    x = 10,618,875,901.66/143,943.48
  6. Step 6: Final answer
    x = 73,771.15

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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.