Home / 121,026.36-181,414.47-46,126.40

Finding the Fourth Proportional to 121,026.36, 181,414.47 and 46,126.40

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Solution

The fourth proportional to 121,026.36, 181,414.47 and 46,126.40 is: 69,141.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,026.36 : 181,414.47 = 46,126.40 : x
  2. Step 2: Convert to fraction form
    121,026.36/181,414.47 = 46,126.40/x
  3. Step 3: Cross multiply
    121,026.36x = 181,414.47 × 46,126.40
  4. Step 4: Simplify right side
    121,026.36x = 8,367,995,674.91
  5. Step 5: Solve for x
    x = 8,367,995,674.91/121,026.36
  6. Step 6: Final answer
    x = 69,141.92

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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.