Home / 121,860.36-182,771.64-47,015.64

Finding the Fourth Proportional to 121,860.36, 182,771.64 and 47,015.64

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Solution

The fourth proportional to 121,860.36, 182,771.64 and 47,015.64 is: 70,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,860.36 : 182,771.64 = 47,015.64 : x
  2. Step 2: Convert to fraction form
    121,860.36/182,771.64 = 47,015.64/x
  3. Step 3: Cross multiply
    121,860.36x = 182,771.64 × 47,015.64
  4. Step 4: Simplify right side
    121,860.36x = 8,593,125,628.45
  5. Step 5: Solve for x
    x = 8,593,125,628.45/121,860.36
  6. Step 6: Final answer
    x = 70,516.17

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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.