Home / 157,541.46-217,332.18-106,572.03

Finding the Fourth Proportional to 157,541.46, 217,332.18 and 106,572.03

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Solution

The fourth proportional to 157,541.46, 217,332.18 and 106,572.03 is: 147,018.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,541.46 : 217,332.18 = 106,572.03 : x
  2. Step 2: Convert to fraction form
    157,541.46/217,332.18 = 106,572.03/x
  3. Step 3: Cross multiply
    157,541.46x = 217,332.18 × 106,572.03
  4. Step 4: Simplify right side
    157,541.46x = 23,161,531,606.93
  5. Step 5: Solve for x
    x = 23,161,531,606.93/157,541.46
  6. Step 6: Final answer
    x = 147,018.64

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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.