Home / 109,596.09-151,347.07-103,625.49

Finding the Fourth Proportional to 109,596.09, 151,347.07 and 103,625.49

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Solution

The fourth proportional to 109,596.09, 151,347.07 and 103,625.49 is: 143,101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,596.09 : 151,347.07 = 103,625.49 : x
  2. Step 2: Convert to fraction form
    109,596.09/151,347.07 = 103,625.49/x
  3. Step 3: Cross multiply
    109,596.09x = 151,347.07 × 103,625.49
  4. Step 4: Simplify right side
    109,596.09x = 15,683,414,288.81
  5. Step 5: Solve for x
    x = 15,683,414,288.81/109,596.09
  6. Step 6: Final answer
    x = 143,101.95

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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.