Home / 168,920.61-233,301.77-115,112.21

Finding the Fourth Proportional to 168,920.61, 233,301.77 and 115,112.21

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Solution

The fourth proportional to 168,920.61, 233,301.77 and 115,112.21 is: 158,985.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,920.61 : 233,301.77 = 115,112.21 : x
  2. Step 2: Convert to fraction form
    168,920.61/233,301.77 = 115,112.21/x
  3. Step 3: Cross multiply
    168,920.61x = 233,301.77 × 115,112.21
  4. Step 4: Simplify right side
    168,920.61x = 26,855,880,599.54
  5. Step 5: Solve for x
    x = 26,855,880,599.54/168,920.61
  6. Step 6: Final answer
    x = 158,985.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.