Home / 144,013.08-215,993.64-38,807.48

Finding the Fourth Proportional to 144,013.08, 215,993.64 and 38,807.48

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Solution

The fourth proportional to 144,013.08, 215,993.64 and 38,807.48 is: 58,204.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,013.08 : 215,993.64 = 38,807.48 : x
  2. Step 2: Convert to fraction form
    144,013.08/215,993.64 = 38,807.48/x
  3. Step 3: Cross multiply
    144,013.08x = 215,993.64 × 38,807.48
  4. Step 4: Simplify right side
    144,013.08x = 8,382,168,864.43
  5. Step 5: Solve for x
    x = 8,382,168,864.43/144,013.08
  6. Step 6: Final answer
    x = 58,204.22

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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.