Home / 253,525.15-379,740.99-238,619.87

Finding the Fourth Proportional to 253,525.15, 379,740.99 and 238,619.87

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Solution

The fourth proportional to 253,525.15, 379,740.99 and 238,619.87 is: 357,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,525.15 : 379,740.99 = 238,619.87 : x
  2. Step 2: Convert to fraction form
    253,525.15/379,740.99 = 238,619.87/x
  3. Step 3: Cross multiply
    253,525.15x = 379,740.99 × 238,619.87
  4. Step 4: Simplify right side
    253,525.15x = 90,613,748,223.66
  5. Step 5: Solve for x
    x = 90,613,748,223.66/253,525.15
  6. Step 6: Final answer
    x = 357,415.22

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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.