Home / 313,971.49-470,973.53-103,625.83

Finding the Fourth Proportional to 313,971.49, 470,973.53 and 103,625.83

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Solution

The fourth proportional to 313,971.49, 470,973.53 and 103,625.83 is: 155,444.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,971.49 : 470,973.53 = 103,625.83 : x
  2. Step 2: Convert to fraction form
    313,971.49/470,973.53 = 103,625.83/x
  3. Step 3: Cross multiply
    313,971.49x = 470,973.53 × 103,625.83
  4. Step 4: Simplify right side
    313,971.49x = 48,805,022,954.28
  5. Step 5: Solve for x
    x = 48,805,022,954.28/313,971.49
  6. Step 6: Final answer
    x = 155,444.12

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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.