Home / 316,985.53-437,484.88-196,165.73

Finding the Fourth Proportional to 316,985.53, 437,484.88 and 196,165.73

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Solution

The fourth proportional to 316,985.53, 437,484.88 and 196,165.73 is: 270,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,985.53 : 437,484.88 = 196,165.73 : x
  2. Step 2: Convert to fraction form
    316,985.53/437,484.88 = 196,165.73/x
  3. Step 3: Cross multiply
    316,985.53x = 437,484.88 × 196,165.73
  4. Step 4: Simplify right side
    316,985.53x = 85,819,540,849.16
  5. Step 5: Solve for x
    x = 85,819,540,849.16/316,985.53
  6. Step 6: Final answer
    x = 270,736.46

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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.