Home / 314,916.28-472,325.72-115,189.96

Finding the Fourth Proportional to 314,916.28, 472,325.72 and 115,189.96

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Solution

The fourth proportional to 314,916.28, 472,325.72 and 115,189.96 is: 172,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,916.28 : 472,325.72 = 115,189.96 : x
  2. Step 2: Convert to fraction form
    314,916.28/472,325.72 = 115,189.96/x
  3. Step 3: Cross multiply
    314,916.28x = 472,325.72 × 115,189.96
  4. Step 4: Simplify right side
    314,916.28x = 54,407,180,793.77
  5. Step 5: Solve for x
    x = 54,407,180,793.77/314,916.28
  6. Step 6: Final answer
    x = 172,767.13

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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.