Home / 109,925.40-164,560.05-103,437.30

Finding the Fourth Proportional to 109,925.40, 164,560.05 and 103,437.30

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Solution

The fourth proportional to 109,925.40, 164,560.05 and 103,437.30 is: 154,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,925.40 : 164,560.05 = 103,437.30 : x
  2. Step 2: Convert to fraction form
    109,925.40/164,560.05 = 103,437.30/x
  3. Step 3: Cross multiply
    109,925.40x = 164,560.05 × 103,437.30
  4. Step 4: Simplify right side
    109,925.40x = 17,021,647,259.87
  5. Step 5: Solve for x
    x = 17,021,647,259.87/109,925.40
  6. Step 6: Final answer
    x = 154,847.26

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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.