Home / 199,280.07-298,855.10-66,124.57

Finding the Fourth Proportional to 199,280.07, 298,855.10 and 66,124.57

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Solution

The fourth proportional to 199,280.07, 298,855.10 and 66,124.57 is: 99,165.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,280.07 : 298,855.10 = 66,124.57 : x
  2. Step 2: Convert to fraction form
    199,280.07/298,855.10 = 66,124.57/x
  3. Step 3: Cross multiply
    199,280.07x = 298,855.10 × 66,124.57
  4. Step 4: Simplify right side
    199,280.07x = 19,761,665,146.74
  5. Step 5: Solve for x
    x = 19,761,665,146.74/199,280.07
  6. Step 6: Final answer
    x = 99,165.29

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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.