Home / 186,933.60-280,400.40-166,266.45

Finding the Fourth Proportional to 186,933.60, 280,400.40 and 166,266.45

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Solution

The fourth proportional to 186,933.60, 280,400.40 and 166,266.45 is: 249,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,933.60 : 280,400.40 = 166,266.45 : x
  2. Step 2: Convert to fraction form
    186,933.60/280,400.40 = 166,266.45/x
  3. Step 3: Cross multiply
    186,933.60x = 280,400.40 × 166,266.45
  4. Step 4: Simplify right side
    186,933.60x = 46,621,179,086.58
  5. Step 5: Solve for x
    x = 46,621,179,086.58/186,933.60
  6. Step 6: Final answer
    x = 249,399.68

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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.