Home / 106,638.30-159,266.09-96,623.05

Finding the Fourth Proportional to 106,638.30, 159,266.09 and 96,623.05

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Solution

The fourth proportional to 106,638.30, 159,266.09 and 96,623.05 is: 144,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,638.30 : 159,266.09 = 96,623.05 : x
  2. Step 2: Convert to fraction form
    106,638.30/159,266.09 = 96,623.05/x
  3. Step 3: Cross multiply
    106,638.30x = 159,266.09 × 96,623.05
  4. Step 4: Simplify right side
    106,638.30x = 15,388,775,377.37
  5. Step 5: Solve for x
    x = 15,388,775,377.37/106,638.30
  6. Step 6: Final answer
    x = 144,308.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.