Home / 199,608.30-299,412.81-133,178.22

Finding the Fourth Proportional to 199,608.30, 299,412.81 and 133,178.22

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Solution

The fourth proportional to 199,608.30, 299,412.81 and 133,178.22 is: 199,767.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,608.30 : 299,412.81 = 133,178.22 : x
  2. Step 2: Convert to fraction form
    199,608.30/299,412.81 = 133,178.22/x
  3. Step 3: Cross multiply
    199,608.30x = 299,412.81 × 133,178.22
  4. Step 4: Simplify right side
    199,608.30x = 39,875,265,081.00
  5. Step 5: Solve for x
    x = 39,875,265,081.00/199,608.30
  6. Step 6: Final answer
    x = 199,767.57

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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.