Home / 210,550.52-290,547.38-115,057.96

Finding the Fourth Proportional to 210,550.52, 290,547.38 and 115,057.96

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Solution

The fourth proportional to 210,550.52, 290,547.38 and 115,057.96 is: 158,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,550.52 : 290,547.38 = 115,057.96 : x
  2. Step 2: Convert to fraction form
    210,550.52/290,547.38 = 115,057.96/x
  3. Step 3: Cross multiply
    210,550.52x = 290,547.38 × 115,057.96
  4. Step 4: Simplify right side
    210,550.52x = 33,429,788,826.14
  5. Step 5: Solve for x
    x = 33,429,788,826.14/210,550.52
  6. Step 6: Final answer
    x = 158,773.24

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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.