Home / 197,315.40-295,632.90-91,918.20

Finding the Fourth Proportional to 197,315.40, 295,632.90 and 91,918.20

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Solution

The fourth proportional to 197,315.40, 295,632.90 and 91,918.20 is: 137,718.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,315.40 : 295,632.90 = 91,918.20 : x
  2. Step 2: Convert to fraction form
    197,315.40/295,632.90 = 91,918.20/x
  3. Step 3: Cross multiply
    197,315.40x = 295,632.90 × 91,918.20
  4. Step 4: Simplify right side
    197,315.40x = 27,174,044,028.78
  5. Step 5: Solve for x
    x = 27,174,044,028.78/197,315.40
  6. Step 6: Final answer
    x = 137,718.82

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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.