Home / 145,945.41-201,401.99-82,283.28

Finding the Fourth Proportional to 145,945.41, 201,401.99 and 82,283.28

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Solution

The fourth proportional to 145,945.41, 201,401.99 and 82,283.28 is: 113,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,945.41 : 201,401.99 = 82,283.28 : x
  2. Step 2: Convert to fraction form
    145,945.41/201,401.99 = 82,283.28/x
  3. Step 3: Cross multiply
    145,945.41x = 201,401.99 × 82,283.28
  4. Step 4: Simplify right side
    145,945.41x = 16,572,014,917.30
  5. Step 5: Solve for x
    x = 16,572,014,917.30/145,945.41
  6. Step 6: Final answer
    x = 113,549.41

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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.