Home / 140,799.08-211,797.95-127,630.86

Finding the Fourth Proportional to 140,799.08, 211,797.95 and 127,630.86

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Solution

The fourth proportional to 140,799.08, 211,797.95 and 127,630.86 is: 191,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,799.08 : 211,797.95 = 127,630.86 : x
  2. Step 2: Convert to fraction form
    140,799.08/211,797.95 = 127,630.86/x
  3. Step 3: Cross multiply
    140,799.08x = 211,797.95 × 127,630.86
  4. Step 4: Simplify right side
    140,799.08x = 27,031,953,866.58
  5. Step 5: Solve for x
    x = 27,031,953,866.58/140,799.08
  6. Step 6: Final answer
    x = 191,989.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.