Home / 197,011.89-295,637.36-78,673.32

Finding the Fourth Proportional to 197,011.89, 295,637.36 and 78,673.32

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Solution

The fourth proportional to 197,011.89, 295,637.36 and 78,673.32 is: 118,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,011.89 : 295,637.36 = 78,673.32 : x
  2. Step 2: Convert to fraction form
    197,011.89/295,637.36 = 78,673.32/x
  3. Step 3: Cross multiply
    197,011.89x = 295,637.36 × 78,673.32
  4. Step 4: Simplify right side
    197,011.89x = 23,258,772,233.87
  5. Step 5: Solve for x
    x = 23,258,772,233.87/197,011.89
  6. Step 6: Final answer
    x = 118,057.71

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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.