Home / 313,965.40-470,948.10-103,552.60

Finding the Fourth Proportional to 313,965.40, 470,948.10 and 103,552.60

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Solution

The fourth proportional to 313,965.40, 470,948.10 and 103,552.60 is: 155,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,965.40 : 470,948.10 = 103,552.60 : x
  2. Step 2: Convert to fraction form
    313,965.40/470,948.10 = 103,552.60/x
  3. Step 3: Cross multiply
    313,965.40x = 470,948.10 × 103,552.60
  4. Step 4: Simplify right side
    313,965.40x = 48,767,900,220.06
  5. Step 5: Solve for x
    x = 48,767,900,220.06/313,965.40
  6. Step 6: Final answer
    x = 155,328.90

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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.