Home / 257,987.06-356,190.77-167,600.63

Finding the Fourth Proportional to 257,987.06, 356,190.77 and 167,600.63

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Solution

The fourth proportional to 257,987.06, 356,190.77 and 167,600.63 is: 231,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,987.06 : 356,190.77 = 167,600.63 : x
  2. Step 2: Convert to fraction form
    257,987.06/356,190.77 = 167,600.63/x
  3. Step 3: Cross multiply
    257,987.06x = 356,190.77 × 167,600.63
  4. Step 4: Simplify right side
    257,987.06x = 59,697,797,318.02
  5. Step 5: Solve for x
    x = 59,697,797,318.02/257,987.06
  6. Step 6: Final answer
    x = 231,398.41

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1.5x scale

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.