Home / 129,668.70-193,139.36-123,601.50

Finding the Fourth Proportional to 129,668.70, 193,139.36 and 123,601.50

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Solution

The fourth proportional to 129,668.70, 193,139.36 and 123,601.50 is: 184,102.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,668.70 : 193,139.36 = 123,601.50 : x
  2. Step 2: Convert to fraction form
    129,668.70/193,139.36 = 123,601.50/x
  3. Step 3: Cross multiply
    129,668.70x = 193,139.36 × 123,601.50
  4. Step 4: Simplify right side
    129,668.70x = 23,872,313,987.03
  5. Step 5: Solve for x
    x = 23,872,313,987.03/129,668.70
  6. Step 6: Final answer
    x = 184,102.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.