Home / 148,359.90-204,624.99-103,037.97

Finding the Fourth Proportional to 148,359.90, 204,624.99 and 103,037.97

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Solution

The fourth proportional to 148,359.90, 204,624.99 and 103,037.97 is: 142,114.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359.90 : 204,624.99 = 103,037.97 : x
  2. Step 2: Convert to fraction form
    148,359.90/204,624.99 = 103,037.97/x
  3. Step 3: Cross multiply
    148,359.90x = 204,624.99 × 103,037.97
  4. Step 4: Simplify right side
    148,359.90x = 21,084,143,580.87
  5. Step 5: Solve for x
    x = 21,084,143,580.87/148,359.90
  6. Step 6: Final answer
    x = 142,114.84

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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.