Home / 135,024.34-186,324.22-74,594.50

Finding the Fourth Proportional to 135,024.34, 186,324.22 and 74,594.50

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Solution

The fourth proportional to 135,024.34, 186,324.22 and 74,594.50 is: 102,935.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.34 : 186,324.22 = 74,594.50 : x
  2. Step 2: Convert to fraction form
    135,024.34/186,324.22 = 74,594.50/x
  3. Step 3: Cross multiply
    135,024.34x = 186,324.22 × 74,594.50
  4. Step 4: Simplify right side
    135,024.34x = 13,898,762,028.79
  5. Step 5: Solve for x
    x = 13,898,762,028.79/135,024.34
  6. Step 6: Final answer
    x = 102,935.23

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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.