Home / 109,496.22-151,104.47-61,749.23

Finding the Fourth Proportional to 109,496.22, 151,104.47 and 61,749.23

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Solution

The fourth proportional to 109,496.22, 151,104.47 and 61,749.23 is: 85,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,496.22 : 151,104.47 = 61,749.23 : x
  2. Step 2: Convert to fraction form
    109,496.22/151,104.47 = 61,749.23/x
  3. Step 3: Cross multiply
    109,496.22x = 151,104.47 × 61,749.23
  4. Step 4: Simplify right side
    109,496.22x = 9,330,583,607.79
  5. Step 5: Solve for x
    x = 9,330,583,607.79/109,496.22
  6. Step 6: Final answer
    x = 85,213.75

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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.