Home / 316,313.15-474,420.96-103,080.53

Finding the Fourth Proportional to 316,313.15, 474,420.96 and 103,080.53

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Solution

The fourth proportional to 316,313.15, 474,420.96 and 103,080.53 is: 154,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,313.15 : 474,420.96 = 103,080.53 : x
  2. Step 2: Convert to fraction form
    316,313.15/474,420.96 = 103,080.53/x
  3. Step 3: Cross multiply
    316,313.15x = 474,420.96 × 103,080.53
  4. Step 4: Simplify right side
    316,313.15x = 48,903,561,627.80
  5. Step 5: Solve for x
    x = 48,903,561,627.80/316,313.15
  6. Step 6: Final answer
    x = 154,604.90

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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.