Home / 199,397.36-298,996.09-66,230.93

Finding the Fourth Proportional to 199,397.36, 298,996.09 and 66,230.93

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Solution

The fourth proportional to 199,397.36, 298,996.09 and 66,230.93 is: 99,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,397.36 : 298,996.09 = 66,230.93 : x
  2. Step 2: Convert to fraction form
    199,397.36/298,996.09 = 66,230.93/x
  3. Step 3: Cross multiply
    199,397.36x = 298,996.09 × 66,230.93
  4. Step 4: Simplify right side
    199,397.36x = 19,802,787,446.51
  5. Step 5: Solve for x
    x = 19,802,787,446.51/199,397.36
  6. Step 6: Final answer
    x = 99,313.19

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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.