Home / 313,968.24-470,968.65-103,622.58

Finding the Fourth Proportional to 313,968.24, 470,968.65 and 103,622.58

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Solution

The fourth proportional to 313,968.24, 470,968.65 and 103,622.58 is: 155,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,968.24 : 470,968.65 = 103,622.58 : x
  2. Step 2: Convert to fraction form
    313,968.24/470,968.65 = 103,622.58/x
  3. Step 3: Cross multiply
    313,968.24x = 470,968.65 × 103,622.58
  4. Step 4: Simplify right side
    313,968.24x = 48,802,986,612.12
  5. Step 5: Solve for x
    x = 48,802,986,612.12/313,968.24
  6. Step 6: Final answer
    x = 155,439.25

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1.5x scale

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.