Home / 353,410.05-529,937.60-163,707.33

Finding the Fourth Proportional to 353,410.05, 529,937.60 and 163,707.33

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Solution

The fourth proportional to 353,410.05, 529,937.60 and 163,707.33 is: 245,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,410.05 : 529,937.60 = 163,707.33 : x
  2. Step 2: Convert to fraction form
    353,410.05/529,937.60 = 163,707.33/x
  3. Step 3: Cross multiply
    353,410.05x = 529,937.60 × 163,707.33
  4. Step 4: Simplify right side
    353,410.05x = 86,754,668,744.07
  5. Step 5: Solve for x
    x = 86,754,668,744.07/353,410.05
  6. Step 6: Final answer
    x = 245,478.78

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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.