Home / 371,848.48-513,149.36-210,734.16

Finding the Fourth Proportional to 371,848.48, 513,149.36 and 210,734.16

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Solution

The fourth proportional to 371,848.48, 513,149.36 and 210,734.16 is: 290,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,848.48 : 513,149.36 = 210,734.16 : x
  2. Step 2: Convert to fraction form
    371,848.48/513,149.36 = 210,734.16/x
  3. Step 3: Cross multiply
    371,848.48x = 513,149.36 × 210,734.16
  4. Step 4: Simplify right side
    371,848.48x = 108,138,099,334.14
  5. Step 5: Solve for x
    x = 108,138,099,334.14/371,848.48
  6. Step 6: Final answer
    x = 290,812.27

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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.