Home / 388,229.18-582,343.59-107,746.34

Finding the Fourth Proportional to 388,229.18, 582,343.59 and 107,746.34

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Solution

The fourth proportional to 388,229.18, 582,343.59 and 107,746.34 is: 161,619.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,229.18 : 582,343.59 = 107,746.34 : x
  2. Step 2: Convert to fraction form
    388,229.18/582,343.59 = 107,746.34/x
  3. Step 3: Cross multiply
    388,229.18x = 582,343.59 × 107,746.34
  4. Step 4: Simplify right side
    388,229.18x = 62,745,390,444.96
  5. Step 5: Solve for x
    x = 62,745,390,444.96/388,229.18
  6. Step 6: Final answer
    x = 161,619.46

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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.