Home / 121,113.16-181,608.68-36,857.16

Finding the Fourth Proportional to 121,113.16, 181,608.68 and 36,857.16

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Solution

The fourth proportional to 121,113.16, 181,608.68 and 36,857.16 is: 55,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,113.16 : 181,608.68 = 36,857.16 : x
  2. Step 2: Convert to fraction form
    121,113.16/181,608.68 = 36,857.16/x
  3. Step 3: Cross multiply
    121,113.16x = 181,608.68 × 36,857.16
  4. Step 4: Simplify right side
    121,113.16x = 6,693,580,176.15
  5. Step 5: Solve for x
    x = 6,693,580,176.15/121,113.16
  6. Step 6: Final answer
    x = 55,267.16

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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.