Home / 109,942.70-164,914.05-97,476.80

Finding the Fourth Proportional to 109,942.70, 164,914.05 and 97,476.80

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Solution

The fourth proportional to 109,942.70, 164,914.05 and 97,476.80 is: 146,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.70 : 164,914.05 = 97,476.80 : x
  2. Step 2: Convert to fraction form
    109,942.70/164,914.05 = 97,476.80/x
  3. Step 3: Cross multiply
    109,942.70x = 164,914.05 × 97,476.80
  4. Step 4: Simplify right side
    109,942.70x = 16,075,293,869.04
  5. Step 5: Solve for x
    x = 16,075,293,869.04/109,942.70
  6. Step 6: Final answer
    x = 146,215.20

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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.