Home / 199,875.16-299,727.38-115,693.43

Finding the Fourth Proportional to 199,875.16, 299,727.38 and 115,693.43

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Solution

The fourth proportional to 199,875.16, 299,727.38 and 115,693.43 is: 173,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,875.16 : 299,727.38 = 115,693.43 : x
  2. Step 2: Convert to fraction form
    199,875.16/299,727.38 = 115,693.43/x
  3. Step 3: Cross multiply
    199,875.16x = 299,727.38 × 115,693.43
  4. Step 4: Simplify right side
    199,875.16x = 34,676,487,158.48
  5. Step 5: Solve for x
    x = 34,676,487,158.48/199,875.16
  6. Step 6: Final answer
    x = 173,490.73

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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.