Home / 147,237.48-203,198.22-83,579.38

Finding the Fourth Proportional to 147,237.48, 203,198.22 and 83,579.38

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Solution

The fourth proportional to 147,237.48, 203,198.22 and 83,579.38 is: 115,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,237.48 : 203,198.22 = 83,579.38 : x
  2. Step 2: Convert to fraction form
    147,237.48/203,198.22 = 83,579.38/x
  3. Step 3: Cross multiply
    147,237.48x = 203,198.22 × 83,579.38
  4. Step 4: Simplify right side
    147,237.48x = 16,983,180,736.71
  5. Step 5: Solve for x
    x = 16,983,180,736.71/147,237.48
  6. Step 6: Final answer
    x = 115,345.50

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1.5x scale

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.