Home / 127,054.98-190,577.01-42,809.58

Finding the Fourth Proportional to 127,054.98, 190,577.01 and 42,809.58

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Solution

The fourth proportional to 127,054.98, 190,577.01 and 42,809.58 is: 64,212.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,054.98 : 190,577.01 = 42,809.58 : x
  2. Step 2: Convert to fraction form
    127,054.98/190,577.01 = 42,809.58/x
  3. Step 3: Cross multiply
    127,054.98x = 190,577.01 × 42,809.58
  4. Step 4: Simplify right side
    127,054.98x = 8,158,521,755.76
  5. Step 5: Solve for x
    x = 8,158,521,755.76/127,054.98
  6. Step 6: Final answer
    x = 64,212.53

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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.