Home / 311,741.43-430,202.91-168,501.47

Finding the Fourth Proportional to 311,741.43, 430,202.91 and 168,501.47

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Solution

The fourth proportional to 311,741.43, 430,202.91 and 168,501.47 is: 232,531.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,741.43 : 430,202.91 = 168,501.47 : x
  2. Step 2: Convert to fraction form
    311,741.43/430,202.91 = 168,501.47/x
  3. Step 3: Cross multiply
    311,741.43x = 430,202.91 × 168,501.47
  4. Step 4: Simplify right side
    311,741.43x = 72,489,822,733.28
  5. Step 5: Solve for x
    x = 72,489,822,733.28/311,741.43
  6. Step 6: Final answer
    x = 232,531.89

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1.5x scale

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.