Home / 148,113.36-204,383.70-83,579.04

Finding the Fourth Proportional to 148,113.36, 204,383.70 and 83,579.04

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Solution

The fourth proportional to 148,113.36, 204,383.70 and 83,579.04 is: 115,331.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,113.36 : 204,383.70 = 83,579.04 : x
  2. Step 2: Convert to fraction form
    148,113.36/204,383.70 = 83,579.04/x
  3. Step 3: Cross multiply
    148,113.36x = 204,383.70 × 83,579.04
  4. Step 4: Simplify right side
    148,113.36x = 17,082,193,437.65
  5. Step 5: Solve for x
    x = 17,082,193,437.65/148,113.36
  6. Step 6: Final answer
    x = 115,331.89

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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.