Home / 121,132.03-181,253.67-101,092.01

Finding the Fourth Proportional to 121,132.03, 181,253.67 and 101,092.01

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Solution

The fourth proportional to 121,132.03, 181,253.67 and 101,092.01 is: 151,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,132.03 : 181,253.67 = 101,092.01 : x
  2. Step 2: Convert to fraction form
    121,132.03/181,253.67 = 101,092.01/x
  3. Step 3: Cross multiply
    121,132.03x = 181,253.67 × 101,092.01
  4. Step 4: Simplify right side
    121,132.03x = 18,323,297,820.18
  5. Step 5: Solve for x
    x = 18,323,297,820.18/121,132.03
  6. Step 6: Final answer
    x = 151,267.16

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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.