Home / 144,336.24-199,188.36-80,672.40

Finding the Fourth Proportional to 144,336.24, 199,188.36 and 80,672.40

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Solution

The fourth proportional to 144,336.24, 199,188.36 and 80,672.40 is: 111,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,336.24 : 199,188.36 = 80,672.40 : x
  2. Step 2: Convert to fraction form
    144,336.24/199,188.36 = 80,672.40/x
  3. Step 3: Cross multiply
    144,336.24x = 199,188.36 × 80,672.40
  4. Step 4: Simplify right side
    144,336.24x = 16,069,003,053.26
  5. Step 5: Solve for x
    x = 16,069,003,053.26/144,336.24
  6. Step 6: Final answer
    x = 111,330.34

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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.