Home / 190,020.80-285,074.40-111,094.40

Finding the Fourth Proportional to 190,020.80, 285,074.40 and 111,094.40

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Solution

The fourth proportional to 190,020.80, 285,074.40 and 111,094.40 is: 166,666.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,020.80 : 285,074.40 = 111,094.40 : x
  2. Step 2: Convert to fraction form
    190,020.80/285,074.40 = 111,094.40/x
  3. Step 3: Cross multiply
    190,020.80x = 285,074.40 × 111,094.40
  4. Step 4: Simplify right side
    190,020.80x = 31,670,169,423.36
  5. Step 5: Solve for x
    x = 31,670,169,423.36/190,020.80
  6. Step 6: Final answer
    x = 166,666.86

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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.