Home / 155,940.69-233,929.32-54,707.79

Finding the Fourth Proportional to 155,940.69, 233,929.32 and 54,707.79

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Solution

The fourth proportional to 155,940.69, 233,929.32 and 54,707.79 is: 82,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,940.69 : 233,929.32 = 54,707.79 : x
  2. Step 2: Convert to fraction form
    155,940.69/233,929.32 = 54,707.79/x
  3. Step 3: Cross multiply
    155,940.69x = 233,929.32 × 54,707.79
  4. Step 4: Simplify right side
    155,940.69x = 12,797,756,113.40
  5. Step 5: Solve for x
    x = 12,797,756,113.40/155,940.69
  6. Step 6: Final answer
    x = 82,068.10

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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.