Home / 137,038.48-205,571.40-37,200.28

Finding the Fourth Proportional to 137,038.48, 205,571.40 and 37,200.28

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Solution

The fourth proportional to 137,038.48, 205,571.40 and 37,200.28 is: 55,804.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,038.48 : 205,571.40 = 37,200.28 : x
  2. Step 2: Convert to fraction form
    137,038.48/205,571.40 = 37,200.28/x
  3. Step 3: Cross multiply
    137,038.48x = 205,571.40 × 37,200.28
  4. Step 4: Simplify right side
    137,038.48x = 7,647,313,639.99
  5. Step 5: Solve for x
    x = 7,647,313,639.99/137,038.48
  6. Step 6: Final answer
    x = 55,804.13

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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.