Home / 314,839.23-472,133.57-115,114.11

Finding the Fourth Proportional to 314,839.23, 472,133.57 and 115,114.11

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Solution

The fourth proportional to 314,839.23, 472,133.57 and 115,114.11 is: 172,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,839.23 : 472,133.57 = 115,114.11 : x
  2. Step 2: Convert to fraction form
    314,839.23/472,133.57 = 115,114.11/x
  3. Step 3: Cross multiply
    314,839.23x = 472,133.57 × 115,114.11
  4. Step 4: Simplify right side
    314,839.23x = 54,349,235,136.10
  5. Step 5: Solve for x
    x = 54,349,235,136.10/314,839.23
  6. Step 6: Final answer
    x = 172,625.36

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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.