Home / 144,587.88-199,531.23-80,925.66

Finding the Fourth Proportional to 144,587.88, 199,531.23 and 80,925.66

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Solution

The fourth proportional to 144,587.88, 199,531.23 and 80,925.66 is: 111,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,587.88 : 199,531.23 = 80,925.66 : x
  2. Step 2: Convert to fraction form
    144,587.88/199,531.23 = 80,925.66/x
  3. Step 3: Cross multiply
    144,587.88x = 199,531.23 × 80,925.66
  4. Step 4: Simplify right side
    144,587.88x = 16,147,196,478.36
  5. Step 5: Solve for x
    x = 16,147,196,478.36/144,587.88
  6. Step 6: Final answer
    x = 111,677.39

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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.