Home / 212,132.93-292,743.38-116,645.81

Finding the Fourth Proportional to 212,132.93, 292,743.38 and 116,645.81

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Solution

The fourth proportional to 212,132.93, 292,743.38 and 116,645.81 is: 160,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,132.93 : 292,743.38 = 116,645.81 : x
  2. Step 2: Convert to fraction form
    212,132.93/292,743.38 = 116,645.81/x
  3. Step 3: Cross multiply
    212,132.93x = 292,743.38 × 116,645.81
  4. Step 4: Simplify right side
    212,132.93x = 34,147,286,635.29
  5. Step 5: Solve for x
    x = 34,147,286,635.29/212,132.93
  6. Step 6: Final answer
    x = 160,971.18

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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.