Home / 314,913.20-472,367.93-115,247.39

Finding the Fourth Proportional to 314,913.20, 472,367.93 and 115,247.39

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Solution

The fourth proportional to 314,913.20, 472,367.93 and 115,247.39 is: 172,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,913.20 : 472,367.93 = 115,247.39 : x
  2. Step 2: Convert to fraction form
    314,913.20/472,367.93 = 115,247.39/x
  3. Step 3: Cross multiply
    314,913.20x = 472,367.93 × 115,247.39
  4. Step 4: Simplify right side
    314,913.20x = 54,439,168,114.13
  5. Step 5: Solve for x
    x = 54,439,168,114.13/314,913.20
  6. Step 6: Final answer
    x = 172,870.39

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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.