Home / 342,338.10-513,079.47-236,312.34

Finding the Fourth Proportional to 342,338.10, 513,079.47 and 236,312.34

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Solution

The fourth proportional to 342,338.10, 513,079.47 and 236,312.34 is: 354,173.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,338.10 : 513,079.47 = 236,312.34 : x
  2. Step 2: Convert to fraction form
    342,338.10/513,079.47 = 236,312.34/x
  3. Step 3: Cross multiply
    342,338.10x = 513,079.47 × 236,312.34
  4. Step 4: Simplify right side
    342,338.10x = 121,247,010,161.66
  5. Step 5: Solve for x
    x = 121,247,010,161.66/342,338.10
  6. Step 6: Final answer
    x = 354,173.29

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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.