Home / 314,543.07-434,081.73-178,589.68

Finding the Fourth Proportional to 314,543.07, 434,081.73 and 178,589.68

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Solution

The fourth proportional to 314,543.07, 434,081.73 and 178,589.68 is: 246,460.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,543.07 : 434,081.73 = 178,589.68 : x
  2. Step 2: Convert to fraction form
    314,543.07/434,081.73 = 178,589.68/x
  3. Step 3: Cross multiply
    314,543.07x = 434,081.73 × 178,589.68
  4. Step 4: Simplify right side
    314,543.07x = 77,522,517,446.80
  5. Step 5: Solve for x
    x = 77,522,517,446.80/314,543.07
  6. Step 6: Final answer
    x = 246,460.74

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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.