Home / 186,074.20-279,111.30-133,370.20

Finding the Fourth Proportional to 186,074.20, 279,111.30 and 133,370.20

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Solution

The fourth proportional to 186,074.20, 279,111.30 and 133,370.20 is: 200,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,074.20 : 279,111.30 = 133,370.20 : x
  2. Step 2: Convert to fraction form
    186,074.20/279,111.30 = 133,370.20/x
  3. Step 3: Cross multiply
    186,074.20x = 279,111.30 × 133,370.20
  4. Step 4: Simplify right side
    186,074.20x = 37,225,129,903.26
  5. Step 5: Solve for x
    x = 37,225,129,903.26/186,074.20
  6. Step 6: Final answer
    x = 200,055.30

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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.