Home / 195,921.68-293,969.40-111,678.80

Finding the Fourth Proportional to 195,921.68, 293,969.40 and 111,678.80

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Solution

The fourth proportional to 195,921.68, 293,969.40 and 111,678.80 is: 167,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,921.68 : 293,969.40 = 111,678.80 : x
  2. Step 2: Convert to fraction form
    195,921.68/293,969.40 = 111,678.80/x
  3. Step 3: Cross multiply
    195,921.68x = 293,969.40 × 111,678.80
  4. Step 4: Simplify right side
    195,921.68x = 32,830,149,828.72
  5. Step 5: Solve for x
    x = 32,830,149,828.72/195,921.68
  6. Step 6: Final answer
    x = 167,567.72

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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.