Home / 121,269.36-181,904.05-46,412.47

Finding the Fourth Proportional to 121,269.36, 181,904.05 and 46,412.47

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Solution

The fourth proportional to 121,269.36, 181,904.05 and 46,412.47 is: 69,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,269.36 : 181,904.05 = 46,412.47 : x
  2. Step 2: Convert to fraction form
    121,269.36/181,904.05 = 46,412.47/x
  3. Step 3: Cross multiply
    121,269.36x = 181,904.05 × 46,412.47
  4. Step 4: Simplify right side
    121,269.36x = 8,442,615,353.98
  5. Step 5: Solve for x
    x = 8,442,615,353.98/121,269.36
  6. Step 6: Final answer
    x = 69,618.70

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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.