Home / 190,864.40-286,296.60-189,114.80

Finding the Fourth Proportional to 190,864.40, 286,296.60 and 189,114.80

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Solution

The fourth proportional to 190,864.40, 286,296.60 and 189,114.80 is: 283,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,864.40 : 286,296.60 = 189,114.80 : x
  2. Step 2: Convert to fraction form
    190,864.40/286,296.60 = 189,114.80/x
  3. Step 3: Cross multiply
    190,864.40x = 286,296.60 × 189,114.80
  4. Step 4: Simplify right side
    190,864.40x = 54,142,924,249.68
  5. Step 5: Solve for x
    x = 54,142,924,249.68/190,864.40
  6. Step 6: Final answer
    x = 283,672.20

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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.