Home / 124,223.37-186,338.10-45,337.58

Finding the Fourth Proportional to 124,223.37, 186,338.10 and 45,337.58

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Solution

The fourth proportional to 124,223.37, 186,338.10 and 45,337.58 is: 68,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,223.37 : 186,338.10 = 45,337.58 : x
  2. Step 2: Convert to fraction form
    124,223.37/186,338.10 = 45,337.58/x
  3. Step 3: Cross multiply
    124,223.37x = 186,338.10 × 45,337.58
  4. Step 4: Simplify right side
    124,223.37x = 8,448,117,584.11
  5. Step 5: Solve for x
    x = 8,448,117,584.11/124,223.37
  6. Step 6: Final answer
    x = 68,007.47

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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.