Home / 126,870.70-190,246.45-73,577.82

Finding the Fourth Proportional to 126,870.70, 190,246.45 and 73,577.82

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Solution

The fourth proportional to 126,870.70, 190,246.45 and 73,577.82 is: 110,332.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,870.70 : 190,246.45 = 73,577.82 : x
  2. Step 2: Convert to fraction form
    126,870.70/190,246.45 = 73,577.82/x
  3. Step 3: Cross multiply
    126,870.70x = 190,246.45 × 73,577.82
  4. Step 4: Simplify right side
    126,870.70x = 13,997,919,859.14
  5. Step 5: Solve for x
    x = 13,997,919,859.14/126,870.70
  6. Step 6: Final answer
    x = 110,332.17

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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.