Home / 293,013.13-439,656.43-103,616.93

Finding the Fourth Proportional to 293,013.13, 439,656.43 and 103,616.93

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Solution

The fourth proportional to 293,013.13, 439,656.43 and 103,616.93 is: 155,473.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,013.13 : 439,656.43 = 103,616.93 : x
  2. Step 2: Convert to fraction form
    293,013.13/439,656.43 = 103,616.93/x
  3. Step 3: Cross multiply
    293,013.13x = 439,656.43 × 103,616.93
  4. Step 4: Simplify right side
    293,013.13x = 45,555,849,531.36
  5. Step 5: Solve for x
    x = 45,555,849,531.36/293,013.13
  6. Step 6: Final answer
    x = 155,473.75

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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.