Home / 203,985.72-281,602.62-127,547.32

Finding the Fourth Proportional to 203,985.72, 281,602.62 and 127,547.32

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Solution

The fourth proportional to 203,985.72, 281,602.62 and 127,547.32 is: 176,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,985.72 : 281,602.62 = 127,547.32 : x
  2. Step 2: Convert to fraction form
    203,985.72/281,602.62 = 127,547.32/x
  3. Step 3: Cross multiply
    203,985.72x = 281,602.62 × 127,547.32
  4. Step 4: Simplify right side
    203,985.72x = 35,917,659,485.98
  5. Step 5: Solve for x
    x = 35,917,659,485.98/203,985.72
  6. Step 6: Final answer
    x = 176,079.28

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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.