Home / 140,719.32-211,077.36-56,500.92

Finding the Fourth Proportional to 140,719.32, 211,077.36 and 56,500.92

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Solution

The fourth proportional to 140,719.32, 211,077.36 and 56,500.92 is: 84,750.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,719.32 : 211,077.36 = 56,500.92 : x
  2. Step 2: Convert to fraction form
    140,719.32/211,077.36 = 56,500.92/x
  3. Step 3: Cross multiply
    140,719.32x = 211,077.36 × 56,500.92
  4. Step 4: Simplify right side
    140,719.32x = 11,926,065,031.17
  5. Step 5: Solve for x
    x = 11,926,065,031.17/140,719.32
  6. Step 6: Final answer
    x = 84,750.73

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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.