Home / 186,145.12-279,230.82-53,036.20

Finding the Fourth Proportional to 186,145.12, 279,230.82 and 53,036.20

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Solution

The fourth proportional to 186,145.12, 279,230.82 and 53,036.20 is: 79,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,145.12 : 279,230.82 = 53,036.20 : x
  2. Step 2: Convert to fraction form
    186,145.12/279,230.82 = 53,036.20/x
  3. Step 3: Cross multiply
    186,145.12x = 279,230.82 × 53,036.20
  4. Step 4: Simplify right side
    186,145.12x = 14,809,341,615.68
  5. Step 5: Solve for x
    x = 14,809,341,615.68/186,145.12
  6. Step 6: Final answer
    x = 79,558.04

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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.