Home / 121,406.20-182,022.90-46,497.40

Finding the Fourth Proportional to 121,406.20, 182,022.90 and 46,497.40

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Solution

The fourth proportional to 121,406.20, 182,022.90 and 46,497.40 is: 69,713.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,406.20 : 182,022.90 = 46,497.40 : x
  2. Step 2: Convert to fraction form
    121,406.20/182,022.90 = 46,497.40/x
  3. Step 3: Cross multiply
    121,406.20x = 182,022.90 × 46,497.40
  4. Step 4: Simplify right side
    121,406.20x = 8,463,591,590.46
  5. Step 5: Solve for x
    x = 8,463,591,590.46/121,406.20
  6. Step 6: Final answer
    x = 69,713.01

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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.