Home / 157,316.43-217,177.14-106,597.20

Finding the Fourth Proportional to 157,316.43, 217,177.14 and 106,597.20

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Solution

The fourth proportional to 157,316.43, 217,177.14 and 106,597.20 is: 147,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,316.43 : 217,177.14 = 106,597.20 : x
  2. Step 2: Convert to fraction form
    157,316.43/217,177.14 = 106,597.20/x
  3. Step 3: Cross multiply
    157,316.43x = 217,177.14 × 106,597.20
  4. Step 4: Simplify right side
    157,316.43x = 23,150,473,942.12
  5. Step 5: Solve for x
    x = 23,150,473,942.12/157,316.43
  6. Step 6: Final answer
    x = 147,158.66

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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.