Home / 157,740.37-217,682.21-101,151.97

Finding the Fourth Proportional to 157,740.37, 217,682.21 and 101,151.97

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Solution

The fourth proportional to 157,740.37, 217,682.21 and 101,151.97 is: 139,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,740.37 : 217,682.21 = 101,151.97 : x
  2. Step 2: Convert to fraction form
    157,740.37/217,682.21 = 101,151.97/x
  3. Step 3: Cross multiply
    157,740.37x = 217,682.21 × 101,151.97
  4. Step 4: Simplify right side
    157,740.37x = 22,018,983,869.69
  5. Step 5: Solve for x
    x = 22,018,983,869.69/157,740.37
  6. Step 6: Final answer
    x = 139,590.04

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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.