Home / 199,583.49-299,423.07-66,464.90

Finding the Fourth Proportional to 199,583.49, 299,423.07 and 66,464.90

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Solution

The fourth proportional to 199,583.49, 299,423.07 and 66,464.90 is: 99,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,583.49 : 299,423.07 = 66,464.90 : x
  2. Step 2: Convert to fraction form
    199,583.49/299,423.07 = 66,464.90/x
  3. Step 3: Cross multiply
    199,583.49x = 299,423.07 × 66,464.90
  4. Step 4: Simplify right side
    199,583.49x = 19,901,124,405.24
  5. Step 5: Solve for x
    x = 19,901,124,405.24/199,583.49
  6. Step 6: Final answer
    x = 99,713.28

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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.