Home / 293,035.13-439,689.43-103,638.93

Finding the Fourth Proportional to 293,035.13, 439,689.43 and 103,638.93

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Solution

The fourth proportional to 293,035.13, 439,689.43 and 103,638.93 is: 155,506.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,035.13 : 439,689.43 = 103,638.93 : x
  2. Step 2: Convert to fraction form
    293,035.13/439,689.43 = 103,638.93/x
  3. Step 3: Cross multiply
    293,035.13x = 439,689.43 × 103,638.93
  4. Step 4: Simplify right side
    293,035.13x = 45,568,942,057.51
  5. Step 5: Solve for x
    x = 45,568,942,057.51/293,035.13
  6. Step 6: Final answer
    x = 155,506.75

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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.