Home / 109,546.02-151,195.14-61,800.30

Finding the Fourth Proportional to 109,546.02, 151,195.14 and 61,800.30

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Solution

The fourth proportional to 109,546.02, 151,195.14 and 61,800.30 is: 85,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,546.02 : 151,195.14 = 61,800.30 : x
  2. Step 2: Convert to fraction form
    109,546.02/151,195.14 = 61,800.30/x
  3. Step 3: Cross multiply
    109,546.02x = 151,195.14 × 61,800.30
  4. Step 4: Simplify right side
    109,546.02x = 9,343,905,010.54
  5. Step 5: Solve for x
    x = 9,343,905,010.54/109,546.02
  6. Step 6: Final answer
    x = 85,296.62

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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.