Home / 187,090.51-258,184.86-101,049.55

Finding the Fourth Proportional to 187,090.51, 258,184.86 and 101,049.55

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Solution

The fourth proportional to 187,090.51, 258,184.86 and 101,049.55 is: 139,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,090.51 : 258,184.86 = 101,049.55 : x
  2. Step 2: Convert to fraction form
    187,090.51/258,184.86 = 101,049.55/x
  3. Step 3: Cross multiply
    187,090.51x = 258,184.86 × 101,049.55
  4. Step 4: Simplify right side
    187,090.51x = 26,089,463,919.81
  5. Step 5: Solve for x
    x = 26,089,463,919.81/187,090.51
  6. Step 6: Final answer
    x = 139,448.36

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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.