Home / 109,596.21-151,347.25-103,625.63

Finding the Fourth Proportional to 109,596.21, 151,347.25 and 103,625.63

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Solution

The fourth proportional to 109,596.21, 151,347.25 and 103,625.63 is: 143,102.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,596.21 : 151,347.25 = 103,625.63 : x
  2. Step 2: Convert to fraction form
    109,596.21/151,347.25 = 103,625.63/x
  3. Step 3: Cross multiply
    109,596.21x = 151,347.25 × 103,625.63
  4. Step 4: Simplify right side
    109,596.21x = 15,683,454,070.37
  5. Step 5: Solve for x
    x = 15,683,454,070.37/109,596.21
  6. Step 6: Final answer
    x = 143,102.16

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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.