Home / 190,987.31-263,547.06-110,420.02

Finding the Fourth Proportional to 190,987.31, 263,547.06 and 110,420.02

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Solution

The fourth proportional to 190,987.31, 263,547.06 and 110,420.02 is: 152,370.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,987.31 : 263,547.06 = 110,420.02 : x
  2. Step 2: Convert to fraction form
    190,987.31/263,547.06 = 110,420.02/x
  3. Step 3: Cross multiply
    190,987.31x = 263,547.06 × 110,420.02
  4. Step 4: Simplify right side
    190,987.31x = 29,100,871,636.14
  5. Step 5: Solve for x
    x = 29,100,871,636.14/190,987.31
  6. Step 6: Final answer
    x = 152,370.71

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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.