Home / 190,911.60-286,367.40-186,537.60

Finding the Fourth Proportional to 190,911.60, 286,367.40 and 186,537.60

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Solution

The fourth proportional to 190,911.60, 286,367.40 and 186,537.60 is: 279,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,911.60 : 286,367.40 = 186,537.60 : x
  2. Step 2: Convert to fraction form
    190,911.60/286,367.40 = 186,537.60/x
  3. Step 3: Cross multiply
    190,911.60x = 286,367.40 × 186,537.60
  4. Step 4: Simplify right side
    190,911.60x = 53,418,287,514.24
  5. Step 5: Solve for x
    x = 53,418,287,514.24/190,911.60
  6. Step 6: Final answer
    x = 279,806.40

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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.