Home / 199,685.32-299,427.82-66,518.76

Finding the Fourth Proportional to 199,685.32, 299,427.82 and 66,518.76

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Solution

The fourth proportional to 199,685.32, 299,427.82 and 66,518.76 is: 99,744.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,685.32 : 299,427.82 = 66,518.76 : x
  2. Step 2: Convert to fraction form
    199,685.32/299,427.82 = 66,518.76/x
  3. Step 3: Cross multiply
    199,685.32x = 299,427.82 × 66,518.76
  4. Step 4: Simplify right side
    199,685.32x = 19,917,567,295.90
  5. Step 5: Solve for x
    x = 19,917,567,295.90/199,685.32
  6. Step 6: Final answer
    x = 99,744.77

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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.