Home / 121,164.93-181,693.94-64,988.19

Finding the Fourth Proportional to 121,164.93, 181,693.94 and 64,988.19

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Solution

The fourth proportional to 121,164.93, 181,693.94 and 64,988.19 is: 97,453.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,164.93 : 181,693.94 = 64,988.19 : x
  2. Step 2: Convert to fraction form
    121,164.93/181,693.94 = 64,988.19/x
  3. Step 3: Cross multiply
    121,164.93x = 181,693.94 × 64,988.19
  4. Step 4: Simplify right side
    121,164.93x = 11,807,959,969.63
  5. Step 5: Solve for x
    x = 11,807,959,969.63/121,164.93
  6. Step 6: Final answer
    x = 97,453.61

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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.