Home / 162,006.90-223,559.01-89,410.44

Finding the Fourth Proportional to 162,006.90, 223,559.01 and 89,410.44

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Solution

The fourth proportional to 162,006.90, 223,559.01 and 89,410.44 is: 123,380.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,006.90 : 223,559.01 = 89,410.44 : x
  2. Step 2: Convert to fraction form
    162,006.90/223,559.01 = 89,410.44/x
  3. Step 3: Cross multiply
    162,006.90x = 223,559.01 × 89,410.44
  4. Step 4: Simplify right side
    162,006.90x = 19,988,509,450.06
  5. Step 5: Solve for x
    x = 19,988,509,450.06/162,006.90
  6. Step 6: Final answer
    x = 123,380.61

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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.