Home / 179,669.72-247,946.01-99,100.22

Finding the Fourth Proportional to 179,669.72, 247,946.01 and 99,100.22

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Solution

The fourth proportional to 179,669.72, 247,946.01 and 99,100.22 is: 136,759.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,669.72 : 247,946.01 = 99,100.22 : x
  2. Step 2: Convert to fraction form
    179,669.72/247,946.01 = 99,100.22/x
  3. Step 3: Cross multiply
    179,669.72x = 247,946.01 × 99,100.22
  4. Step 4: Simplify right side
    179,669.72x = 24,571,504,139.12
  5. Step 5: Solve for x
    x = 24,571,504,139.12/179,669.72
  6. Step 6: Final answer
    x = 136,759.29

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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.