Home / 300,172.08-414,259.95-171,113.63

Finding the Fourth Proportional to 300,172.08, 414,259.95 and 171,113.63

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Solution

The fourth proportional to 300,172.08, 414,259.95 and 171,113.63 is: 236,149.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,172.08 : 414,259.95 = 171,113.63 : x
  2. Step 2: Convert to fraction form
    300,172.08/414,259.95 = 171,113.63/x
  3. Step 3: Cross multiply
    300,172.08x = 414,259.95 × 171,113.63
  4. Step 4: Simplify right side
    300,172.08x = 70,885,521,517.28
  5. Step 5: Solve for x
    x = 70,885,521,517.28/300,172.08
  6. Step 6: Final answer
    x = 236,149.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.