Home / 157,042.23-235,699.35-82,214.71

Finding the Fourth Proportional to 157,042.23, 235,699.35 and 82,214.71

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Solution

The fourth proportional to 157,042.23, 235,699.35 and 82,214.71 is: 123,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,042.23 : 235,699.35 = 82,214.71 : x
  2. Step 2: Convert to fraction form
    157,042.23/235,699.35 = 82,214.71/x
  3. Step 3: Cross multiply
    157,042.23x = 235,699.35 × 82,214.71
  4. Step 4: Simplify right side
    157,042.23x = 19,377,953,707.44
  5. Step 5: Solve for x
    x = 19,377,953,707.44/157,042.23
  6. Step 6: Final answer
    x = 123,393.27

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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.