Home / 199,684.32-299,450.16-66,539.04

Finding the Fourth Proportional to 199,684.32, 299,450.16 and 66,539.04

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Solution

The fourth proportional to 199,684.32, 299,450.16 and 66,539.04 is: 99,783.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,684.32 : 299,450.16 = 66,539.04 : x
  2. Step 2: Convert to fraction form
    199,684.32/299,450.16 = 66,539.04/x
  3. Step 3: Cross multiply
    199,684.32x = 299,450.16 × 66,539.04
  4. Step 4: Simplify right side
    199,684.32x = 19,925,126,174.25
  5. Step 5: Solve for x
    x = 19,925,126,174.25/199,684.32
  6. Step 6: Final answer
    x = 99,783.13

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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.