Home / 210,848.03-290,973.56-115,356.32

Finding the Fourth Proportional to 210,848.03, 290,973.56 and 115,356.32

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Solution

The fourth proportional to 210,848.03, 290,973.56 and 115,356.32 is: 159,193.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,848.03 : 290,973.56 = 115,356.32 : x
  2. Step 2: Convert to fraction form
    210,848.03/290,973.56 = 115,356.32/x
  3. Step 3: Cross multiply
    210,848.03x = 290,973.56 × 115,356.32
  4. Step 4: Simplify right side
    210,848.03x = 33,565,637,067.25
  5. Step 5: Solve for x
    x = 33,565,637,067.25/210,848.03
  6. Step 6: Final answer
    x = 159,193.51

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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.