Home / 121,274.48-181,911.74-46,417.59

Finding the Fourth Proportional to 121,274.48, 181,911.74 and 46,417.59

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Solution

The fourth proportional to 121,274.48, 181,911.74 and 46,417.59 is: 69,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274.48 : 181,911.74 = 46,417.59 : x
  2. Step 2: Convert to fraction form
    121,274.48/181,911.74 = 46,417.59/x
  3. Step 3: Cross multiply
    121,274.48x = 181,911.74 × 46,417.59
  4. Step 4: Simplify right side
    121,274.48x = 8,443,904,331.42
  5. Step 5: Solve for x
    x = 8,443,904,331.42/121,274.48
  6. Step 6: Final answer
    x = 69,626.39

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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.