Home / 313,819.53-433,068.36-170,579.13

Finding the Fourth Proportional to 313,819.53, 433,068.36 and 170,579.13

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Solution

The fourth proportional to 313,819.53, 433,068.36 and 170,579.13 is: 235,397.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,819.53 : 433,068.36 = 170,579.13 : x
  2. Step 2: Convert to fraction form
    313,819.53/433,068.36 = 170,579.13/x
  3. Step 3: Cross multiply
    313,819.53x = 433,068.36 × 170,579.13
  4. Step 4: Simplify right side
    313,819.53x = 73,872,424,079.33
  5. Step 5: Solve for x
    x = 73,872,424,079.33/313,819.53
  6. Step 6: Final answer
    x = 235,397.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.