Home / 121,104.81-181,686.42-37,998.81

Finding the Fourth Proportional to 121,104.81, 181,686.42 and 37,998.81

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Solution

The fourth proportional to 121,104.81, 181,686.42 and 37,998.81 is: 57,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,104.81 : 181,686.42 = 37,998.81 : x
  2. Step 2: Convert to fraction form
    121,104.81/181,686.42 = 37,998.81/x
  3. Step 3: Cross multiply
    121,104.81x = 181,686.42 × 37,998.81
  4. Step 4: Simplify right side
    121,104.81x = 6,903,867,753.16
  5. Step 5: Solve for x
    x = 6,903,867,753.16/121,104.81
  6. Step 6: Final answer
    x = 57,007.38

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1.5x scale

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.