Home / 145,665.95-201,022.76-82,006.02

Finding the Fourth Proportional to 145,665.95, 201,022.76 and 82,006.02

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Solution

The fourth proportional to 145,665.95, 201,022.76 and 82,006.02 is: 113,170.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,665.95 : 201,022.76 = 82,006.02 : x
  2. Step 2: Convert to fraction form
    145,665.95/201,022.76 = 82,006.02/x
  3. Step 3: Cross multiply
    145,665.95x = 201,022.76 × 82,006.02
  4. Step 4: Simplify right side
    145,665.95x = 16,485,076,682.03
  5. Step 5: Solve for x
    x = 16,485,076,682.03/145,665.95
  6. Step 6: Final answer
    x = 113,170.42

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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.