Home / 212,730.96-293,564.76-115,935.60

Finding the Fourth Proportional to 212,730.96, 293,564.76 and 115,935.60

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Solution

The fourth proportional to 212,730.96, 293,564.76 and 115,935.60 is: 159,988.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,730.96 : 293,564.76 = 115,935.60 : x
  2. Step 2: Convert to fraction form
    212,730.96/293,564.76 = 115,935.60/x
  3. Step 3: Cross multiply
    212,730.96x = 293,564.76 × 115,935.60
  4. Step 4: Simplify right side
    212,730.96x = 34,034,607,255.57
  5. Step 5: Solve for x
    x = 34,034,607,255.57/212,730.96
  6. Step 6: Final answer
    x = 159,988.97

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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.