Home / 144,258.77-199,070.76-80,595.20

Finding the Fourth Proportional to 144,258.77, 199,070.76 and 80,595.20

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Solution

The fourth proportional to 144,258.77, 199,070.76 and 80,595.20 is: 111,217.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,258.77 : 199,070.76 = 80,595.20 : x
  2. Step 2: Convert to fraction form
    144,258.77/199,070.76 = 80,595.20/x
  3. Step 3: Cross multiply
    144,258.77x = 199,070.76 × 80,595.20
  4. Step 4: Simplify right side
    144,258.77x = 16,044,148,516.26
  5. Step 5: Solve for x
    x = 16,044,148,516.26/144,258.77
  6. Step 6: Final answer
    x = 111,217.84

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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.