Home / 144,511.20-216,617.81-60,320.35

Finding the Fourth Proportional to 144,511.20, 216,617.81 and 60,320.35

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Solution

The fourth proportional to 144,511.20, 216,617.81 and 60,320.35 is: 90,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,511.20 : 216,617.81 = 60,320.35 : x
  2. Step 2: Convert to fraction form
    144,511.20/216,617.81 = 60,320.35/x
  3. Step 3: Cross multiply
    144,511.20x = 216,617.81 × 60,320.35
  4. Step 4: Simplify right side
    144,511.20x = 13,066,462,115.43
  5. Step 5: Solve for x
    x = 13,066,462,115.43/144,511.20
  6. Step 6: Final answer
    x = 90,418.34

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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.