Home / 191,904.40-288,202.20-185,683.60

Finding the Fourth Proportional to 191,904.40, 288,202.20 and 185,683.60

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Solution

The fourth proportional to 191,904.40, 288,202.20 and 185,683.60 is: 278,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,904.40 : 288,202.20 = 185,683.60 : x
  2. Step 2: Convert to fraction form
    191,904.40/288,202.20 = 185,683.60/x
  3. Step 3: Cross multiply
    191,904.40x = 288,202.20 × 185,683.60
  4. Step 4: Simplify right side
    191,904.40x = 53,514,422,023.92
  5. Step 5: Solve for x
    x = 53,514,422,023.92/191,904.40
  6. Step 6: Final answer
    x = 278,859.80

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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.