Home / 157,301.94-217,002.40-106,332.43

Finding the Fourth Proportional to 157,301.94, 217,002.40 and 106,332.43

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Solution

The fourth proportional to 157,301.94, 217,002.40 and 106,332.43 is: 146,688.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,301.94 : 217,002.40 = 106,332.43 : x
  2. Step 2: Convert to fraction form
    157,301.94/217,002.40 = 106,332.43/x
  3. Step 3: Cross multiply
    157,301.94x = 217,002.40 × 106,332.43
  4. Step 4: Simplify right side
    157,301.94x = 23,074,392,507.83
  5. Step 5: Solve for x
    x = 23,074,392,507.83/157,301.94
  6. Step 6: Final answer
    x = 146,688.54

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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.