Home / 121,434.09-182,166.39-65,196.90

Finding the Fourth Proportional to 121,434.09, 182,166.39 and 65,196.90

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Solution

The fourth proportional to 121,434.09, 182,166.39 and 65,196.90 is: 97,803.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,434.09 : 182,166.39 = 65,196.90 : x
  2. Step 2: Convert to fraction form
    121,434.09/182,166.39 = 65,196.90/x
  3. Step 3: Cross multiply
    121,434.09x = 182,166.39 × 65,196.90
  4. Step 4: Simplify right side
    121,434.09x = 11,876,683,912.19
  5. Step 5: Solve for x
    x = 11,876,683,912.19/121,434.09
  6. Step 6: Final answer
    x = 97,803.54

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1.5x scale

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.