Home / 148,198.08-204,082.50-128,808.48

Finding the Fourth Proportional to 148,198.08, 204,082.50 and 128,808.48

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Solution

The fourth proportional to 148,198.08, 204,082.50 and 128,808.48 is: 177,381.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,198.08 : 204,082.50 = 128,808.48 : x
  2. Step 2: Convert to fraction form
    148,198.08/204,082.50 = 128,808.48/x
  3. Step 3: Cross multiply
    148,198.08x = 204,082.50 × 128,808.48
  4. Step 4: Simplify right side
    148,198.08x = 26,287,556,619.60
  5. Step 5: Solve for x
    x = 26,287,556,619.60/148,198.08
  6. Step 6: Final answer
    x = 177,381.22

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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.