Home / 190,868.40-286,302.60-189,118.80

Finding the Fourth Proportional to 190,868.40, 286,302.60 and 189,118.80

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Solution

The fourth proportional to 190,868.40, 286,302.60 and 189,118.80 is: 283,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,868.40 : 286,302.60 = 189,118.80 : x
  2. Step 2: Convert to fraction form
    190,868.40/286,302.60 = 189,118.80/x
  3. Step 3: Cross multiply
    190,868.40x = 286,302.60 × 189,118.80
  4. Step 4: Simplify right side
    190,868.40x = 54,145,204,148.88
  5. Step 5: Solve for x
    x = 54,145,204,148.88/190,868.40
  6. Step 6: Final answer
    x = 283,678.20

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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.