Home / 145,917.22-201,363.08-82,255.07

Finding the Fourth Proportional to 145,917.22, 201,363.08 and 82,255.07

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Solution

The fourth proportional to 145,917.22, 201,363.08 and 82,255.07 is: 113,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,917.22 : 201,363.08 = 82,255.07 : x
  2. Step 2: Convert to fraction form
    145,917.22/201,363.08 = 82,255.07/x
  3. Step 3: Cross multiply
    145,917.22x = 201,363.08 × 82,255.07
  4. Step 4: Simplify right side
    145,917.22x = 16,563,132,822.72
  5. Step 5: Solve for x
    x = 16,563,132,822.72/145,917.22
  6. Step 6: Final answer
    x = 113,510.48

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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.