Home / 109,546.21-151,173.34-61,799.55

Finding the Fourth Proportional to 109,546.21, 151,173.34 and 61,799.55

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Solution

The fourth proportional to 109,546.21, 151,173.34 and 61,799.55 is: 85,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,546.21 : 151,173.34 = 61,799.55 : x
  2. Step 2: Convert to fraction form
    109,546.21/151,173.34 = 61,799.55/x
  3. Step 3: Cross multiply
    109,546.21x = 151,173.34 × 61,799.55
  4. Step 4: Simplify right side
    109,546.21x = 9,342,444,384.00
  5. Step 5: Solve for x
    x = 9,342,444,384.00/109,546.21
  6. Step 6: Final answer
    x = 85,283.14

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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.