Home / 121,096.37-181,643.04-42,210.33

Finding the Fourth Proportional to 121,096.37, 181,643.04 and 42,210.33

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Solution

The fourth proportional to 121,096.37, 181,643.04 and 42,210.33 is: 63,314.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,096.37 : 181,643.04 = 42,210.33 : x
  2. Step 2: Convert to fraction form
    121,096.37/181,643.04 = 42,210.33/x
  3. Step 3: Cross multiply
    121,096.37x = 181,643.04 × 42,210.33
  4. Step 4: Simplify right side
    121,096.37x = 7,667,212,660.60
  5. Step 5: Solve for x
    x = 7,667,212,660.60/121,096.37
  6. Step 6: Final answer
    x = 63,314.97

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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.