Home / 293,033.13-439,686.43-103,636.93

Finding the Fourth Proportional to 293,033.13, 439,686.43 and 103,636.93

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Solution

The fourth proportional to 293,033.13, 439,686.43 and 103,636.93 is: 155,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,033.13 : 439,686.43 = 103,636.93 : x
  2. Step 2: Convert to fraction form
    293,033.13/439,686.43 = 103,636.93/x
  3. Step 3: Cross multiply
    293,033.13x = 439,686.43 × 103,636.93
  4. Step 4: Simplify right side
    293,033.13x = 45,567,751,767.86
  5. Step 5: Solve for x
    x = 45,567,751,767.86/293,033.13
  6. Step 6: Final answer
    x = 155,503.75

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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.