Home / 313,981.24-470,988.15-103,635.58

Finding the Fourth Proportional to 313,981.24, 470,988.15 and 103,635.58

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Solution

The fourth proportional to 313,981.24, 470,988.15 and 103,635.58 is: 155,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.24 : 470,988.15 = 103,635.58 : x
  2. Step 2: Convert to fraction form
    313,981.24/470,988.15 = 103,635.58/x
  3. Step 3: Cross multiply
    313,981.24x = 470,988.15 × 103,635.58
  4. Step 4: Simplify right side
    313,981.24x = 48,811,130,098.38
  5. Step 5: Solve for x
    x = 48,811,130,098.38/313,981.24
  6. Step 6: Final answer
    x = 155,458.75

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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.