Home / 126,547.71-190,116.80-73,994.10

Finding the Fourth Proportional to 126,547.71, 190,116.80 and 73,994.10

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Solution

The fourth proportional to 126,547.71, 190,116.80 and 73,994.10 is: 111,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,547.71 : 190,116.80 = 73,994.10 : x
  2. Step 2: Convert to fraction form
    126,547.71/190,116.80 = 73,994.10/x
  3. Step 3: Cross multiply
    126,547.71x = 190,116.80 × 73,994.10
  4. Step 4: Simplify right side
    126,547.71x = 14,067,521,510.88
  5. Step 5: Solve for x
    x = 14,067,521,510.88/126,547.71
  6. Step 6: Final answer
    x = 111,163.78

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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.