Home / 313,962.46-470,960.04-103,616.80

Finding the Fourth Proportional to 313,962.46, 470,960.04 and 103,616.80

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Solution

The fourth proportional to 313,962.46, 470,960.04 and 103,616.80 is: 155,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,962.46 : 470,960.04 = 103,616.80 : x
  2. Step 2: Convert to fraction form
    313,962.46/470,960.04 = 103,616.80/x
  3. Step 3: Cross multiply
    313,962.46x = 470,960.04 × 103,616.80
  4. Step 4: Simplify right side
    313,962.46x = 48,799,372,272.67
  5. Step 5: Solve for x
    x = 48,799,372,272.67/313,962.46
  6. Step 6: Final answer
    x = 155,430.60

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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.