Home / 121,150.22-181,714.91-73,753.01

Finding the Fourth Proportional to 121,150.22, 181,714.91 and 73,753.01

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Solution

The fourth proportional to 121,150.22, 181,714.91 and 73,753.01 is: 110,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,150.22 : 181,714.91 = 73,753.01 : x
  2. Step 2: Convert to fraction form
    121,150.22/181,714.91 = 73,753.01/x
  3. Step 3: Cross multiply
    121,150.22x = 181,714.91 × 73,753.01
  4. Step 4: Simplify right side
    121,150.22x = 13,402,020,850.19
  5. Step 5: Solve for x
    x = 13,402,020,850.19/121,150.22
  6. Step 6: Final answer
    x = 110,623.17

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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.