Home / 144,623.70-216,935.55-38,007.45

Finding the Fourth Proportional to 144,623.70, 216,935.55 and 38,007.45

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Solution

The fourth proportional to 144,623.70, 216,935.55 and 38,007.45 is: 57,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,623.70 : 216,935.55 = 38,007.45 : x
  2. Step 2: Convert to fraction form
    144,623.70/216,935.55 = 38,007.45/x
  3. Step 3: Cross multiply
    144,623.70x = 216,935.55 × 38,007.45
  4. Step 4: Simplify right side
    144,623.70x = 8,245,167,069.85
  5. Step 5: Solve for x
    x = 8,245,167,069.85/144,623.70
  6. Step 6: Final answer
    x = 57,011.18

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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.