Home / 144,544.65-216,815.73-112,981.23

Finding the Fourth Proportional to 144,544.65, 216,815.73 and 112,981.23

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Solution

The fourth proportional to 144,544.65, 216,815.73 and 112,981.23 is: 169,470.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,544.65 : 216,815.73 = 112,981.23 : x
  2. Step 2: Convert to fraction form
    144,544.65/216,815.73 = 112,981.23/x
  3. Step 3: Cross multiply
    144,544.65x = 216,815.73 × 112,981.23
  4. Step 4: Simplify right side
    144,544.65x = 24,496,107,435.07
  5. Step 5: Solve for x
    x = 24,496,107,435.07/144,544.65
  6. Step 6: Final answer
    x = 169,470.87

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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.