Home / 199,516.98-299,278.10-66,397.26

Finding the Fourth Proportional to 199,516.98, 299,278.10 and 66,397.26

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Solution

The fourth proportional to 199,516.98, 299,278.10 and 66,397.26 is: 99,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,516.98 : 299,278.10 = 66,397.26 : x
  2. Step 2: Convert to fraction form
    199,516.98/299,278.10 = 66,397.26/x
  3. Step 3: Cross multiply
    199,516.98x = 299,278.10 × 66,397.26
  4. Step 4: Simplify right side
    199,516.98x = 19,871,245,818.01
  5. Step 5: Solve for x
    x = 19,871,245,818.01/199,516.98
  6. Step 6: Final answer
    x = 99,596.77

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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.