Home / 355,713.32-533,570.90-145,351.26

Finding the Fourth Proportional to 355,713.32, 533,570.90 and 145,351.26

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Solution

The fourth proportional to 355,713.32, 533,570.90 and 145,351.26 is: 218,027.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,713.32 : 533,570.90 = 145,351.26 : x
  2. Step 2: Convert to fraction form
    355,713.32/533,570.90 = 145,351.26/x
  3. Step 3: Cross multiply
    355,713.32x = 533,570.90 × 145,351.26
  4. Step 4: Simplify right side
    355,713.32x = 77,555,201,887.58
  5. Step 5: Solve for x
    x = 77,555,201,887.58/355,713.32
  6. Step 6: Final answer
    x = 218,027.26

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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.