Home / 169,688.58-254,536.50-51,359.72

Finding the Fourth Proportional to 169,688.58, 254,536.50 and 51,359.72

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Solution

The fourth proportional to 169,688.58, 254,536.50 and 51,359.72 is: 77,040.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,688.58 : 254,536.50 = 51,359.72 : x
  2. Step 2: Convert to fraction form
    169,688.58/254,536.50 = 51,359.72/x
  3. Step 3: Cross multiply
    169,688.58x = 254,536.50 × 51,359.72
  4. Step 4: Simplify right side
    169,688.58x = 13,072,923,369.78
  5. Step 5: Solve for x
    x = 13,072,923,369.78/169,688.58
  6. Step 6: Final answer
    x = 77,040.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.