Home / 111,401.48-167,053.08-52,189.40

Finding the Fourth Proportional to 111,401.48, 167,053.08 and 52,189.40

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Solution

The fourth proportional to 111,401.48, 167,053.08 and 52,189.40 is: 78,261.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,401.48 : 167,053.08 = 52,189.40 : x
  2. Step 2: Convert to fraction form
    111,401.48/167,053.08 = 52,189.40/x
  3. Step 3: Cross multiply
    111,401.48x = 167,053.08 × 52,189.40
  4. Step 4: Simplify right side
    111,401.48x = 8,718,400,013.35
  5. Step 5: Solve for x
    x = 8,718,400,013.35/111,401.48
  6. Step 6: Final answer
    x = 78,261.08

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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.