Home / 199,308.72-299,035.98-92,743.50

Finding the Fourth Proportional to 199,308.72, 299,035.98 and 92,743.50

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Solution

The fourth proportional to 199,308.72, 299,035.98 and 92,743.50 is: 139,149.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,308.72 : 299,035.98 = 92,743.50 : x
  2. Step 2: Convert to fraction form
    199,308.72/299,035.98 = 92,743.50/x
  3. Step 3: Cross multiply
    199,308.72x = 299,035.98 × 92,743.50
  4. Step 4: Simplify right side
    199,308.72x = 27,733,643,411.13
  5. Step 5: Solve for x
    x = 27,733,643,411.13/199,308.72
  6. Step 6: Final answer
    x = 139,149.17

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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.