Home / 426,143.10-588,089.88-235,168.86

Finding the Fourth Proportional to 426,143.10, 588,089.88 and 235,168.86

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Solution

The fourth proportional to 426,143.10, 588,089.88 and 235,168.86 is: 324,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,143.10 : 588,089.88 = 235,168.86 : x
  2. Step 2: Convert to fraction form
    426,143.10/588,089.88 = 235,168.86/x
  3. Step 3: Cross multiply
    426,143.10x = 588,089.88 × 235,168.86
  4. Step 4: Simplify right side
    426,143.10x = 138,300,426,657.14
  5. Step 5: Solve for x
    x = 138,300,426,657.14/426,143.10
  6. Step 6: Final answer
    x = 324,539.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.