Home / 313,731.18-470,670.60-103,369.14

Finding the Fourth Proportional to 313,731.18, 470,670.60 and 103,369.14

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Solution

The fourth proportional to 313,731.18, 470,670.60 and 103,369.14 is: 155,078.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,731.18 : 470,670.60 = 103,369.14 : x
  2. Step 2: Convert to fraction form
    313,731.18/470,670.60 = 103,369.14/x
  3. Step 3: Cross multiply
    313,731.18x = 470,670.60 × 103,369.14
  4. Step 4: Simplify right side
    313,731.18x = 48,652,815,145.28
  5. Step 5: Solve for x
    x = 48,652,815,145.28/313,731.18
  6. Step 6: Final answer
    x = 155,078.04

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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.