Home / 167,421.50-251,128.80-49,090.22

Finding the Fourth Proportional to 167,421.50, 251,128.80 and 49,090.22

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Solution

The fourth proportional to 167,421.50, 251,128.80 and 49,090.22 is: 73,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,421.50 : 251,128.80 = 49,090.22 : x
  2. Step 2: Convert to fraction form
    167,421.50/251,128.80 = 49,090.22/x
  3. Step 3: Cross multiply
    167,421.50x = 251,128.80 × 49,090.22
  4. Step 4: Simplify right side
    167,421.50x = 12,327,968,040.34
  5. Step 5: Solve for x
    x = 12,327,968,040.34/167,421.50
  6. Step 6: Final answer
    x = 73,634.32

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1.5x scale

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.