Home / 190,017.80-285,026.70-177,576.20

Finding the Fourth Proportional to 190,017.80, 285,026.70 and 177,576.20

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Solution

The fourth proportional to 190,017.80, 285,026.70 and 177,576.20 is: 266,364.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,017.80 : 285,026.70 = 177,576.20 : x
  2. Step 2: Convert to fraction form
    190,017.80/285,026.70 = 177,576.20/x
  3. Step 3: Cross multiply
    190,017.80x = 285,026.70 × 177,576.20
  4. Step 4: Simplify right side
    190,017.80x = 50,613,958,284.54
  5. Step 5: Solve for x
    x = 50,613,958,284.54/190,017.80
  6. Step 6: Final answer
    x = 266,364.30

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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.