Home / 258,224.16-356,249.48-190,401.68

Finding the Fourth Proportional to 258,224.16, 356,249.48 and 190,401.68

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Solution

The fourth proportional to 258,224.16, 356,249.48 and 190,401.68 is: 262,680.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,224.16 : 356,249.48 = 190,401.68 : x
  2. Step 2: Convert to fraction form
    258,224.16/356,249.48 = 190,401.68/x
  3. Step 3: Cross multiply
    258,224.16x = 356,249.48 × 190,401.68
  4. Step 4: Simplify right side
    258,224.16x = 67,830,499,491.13
  5. Step 5: Solve for x
    x = 67,830,499,491.13/258,224.16
  6. Step 6: Final answer
    x = 262,680.69

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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.