Home / 211,000.23-316,500.44-92,672.60

Finding the Fourth Proportional to 211,000.23, 316,500.44 and 92,672.60

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Solution

The fourth proportional to 211,000.23, 316,500.44 and 92,672.60 is: 139,008.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,000.23 : 316,500.44 = 92,672.60 : x
  2. Step 2: Convert to fraction form
    211,000.23/316,500.44 = 92,672.60/x
  3. Step 3: Cross multiply
    211,000.23x = 316,500.44 × 92,672.60
  4. Step 4: Simplify right side
    211,000.23x = 29,330,916,630.08
  5. Step 5: Solve for x
    x = 29,330,916,630.08/211,000.23
  6. Step 6: Final answer
    x = 139,008.93

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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.