Home / 343,531.26-515,332.23-118,891.29

Finding the Fourth Proportional to 343,531.26, 515,332.23 and 118,891.29

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Solution

The fourth proportional to 343,531.26, 515,332.23 and 118,891.29 is: 178,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,531.26 : 515,332.23 = 118,891.29 : x
  2. Step 2: Convert to fraction form
    343,531.26/515,332.23 = 118,891.29/x
  3. Step 3: Cross multiply
    343,531.26x = 515,332.23 × 118,891.29
  4. Step 4: Simplify right side
    343,531.26x = 61,268,513,603.28
  5. Step 5: Solve for x
    x = 61,268,513,603.28/343,531.26
  6. Step 6: Final answer
    x = 178,349.17

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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.