Home / 293,215.93-439,832.09-103,649.50

Finding the Fourth Proportional to 293,215.93, 439,832.09 and 103,649.50

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Solution

The fourth proportional to 293,215.93, 439,832.09 and 103,649.50 is: 155,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,215.93 : 439,832.09 = 103,649.50 : x
  2. Step 2: Convert to fraction form
    293,215.93/439,832.09 = 103,649.50/x
  3. Step 3: Cross multiply
    293,215.93x = 439,832.09 × 103,649.50
  4. Step 4: Simplify right side
    293,215.93x = 45,588,376,212.46
  5. Step 5: Solve for x
    x = 45,588,376,212.46/293,215.93
  6. Step 6: Final answer
    x = 155,477.15

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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.