Home / 107,528.45-161,271.02-102,193.54

Finding the Fourth Proportional to 107,528.45, 161,271.02 and 102,193.54

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Solution

The fourth proportional to 107,528.45, 161,271.02 and 102,193.54 is: 153,269.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,528.45 : 161,271.02 = 102,193.54 : x
  2. Step 2: Convert to fraction form
    107,528.45/161,271.02 = 102,193.54/x
  3. Step 3: Cross multiply
    107,528.45x = 161,271.02 × 102,193.54
  4. Step 4: Simplify right side
    107,528.45x = 16,480,856,285.52
  5. Step 5: Solve for x
    x = 16,480,856,285.52/107,528.45
  6. Step 6: Final answer
    x = 153,269.74

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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.