Home / 372,095.20-557,975.76-119,329.12

Finding the Fourth Proportional to 372,095.20, 557,975.76 and 119,329.12

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Solution

The fourth proportional to 372,095.20, 557,975.76 and 119,329.12 is: 178,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,095.20 : 557,975.76 = 119,329.12 : x
  2. Step 2: Convert to fraction form
    372,095.20/557,975.76 = 119,329.12/x
  3. Step 3: Cross multiply
    372,095.20x = 557,975.76 × 119,329.12
  4. Step 4: Simplify right side
    372,095.20x = 66,582,756,422.13
  5. Step 5: Solve for x
    x = 66,582,756,422.13/372,095.20
  6. Step 6: Final answer
    x = 178,940.11

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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.