Home / 311,030.06-466,539.51-100,668.20

Finding the Fourth Proportional to 311,030.06, 466,539.51 and 100,668.20

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Solution

The fourth proportional to 311,030.06, 466,539.51 and 100,668.20 is: 151,000.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,030.06 : 466,539.51 = 100,668.20 : x
  2. Step 2: Convert to fraction form
    311,030.06/466,539.51 = 100,668.20/x
  3. Step 3: Cross multiply
    311,030.06x = 466,539.51 × 100,668.20
  4. Step 4: Simplify right side
    311,030.06x = 46,965,692,700.58
  5. Step 5: Solve for x
    x = 46,965,692,700.58/311,030.06
  6. Step 6: Final answer
    x = 151,000.49

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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.