Home / 186,120.06-279,181.73-53,000.20

Finding the Fourth Proportional to 186,120.06, 279,181.73 and 53,000.20

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Solution

The fourth proportional to 186,120.06, 279,181.73 and 53,000.20 is: 79,500.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,120.06 : 279,181.73 = 53,000.20 : x
  2. Step 2: Convert to fraction form
    186,120.06/279,181.73 = 53,000.20/x
  3. Step 3: Cross multiply
    186,120.06x = 279,181.73 × 53,000.20
  4. Step 4: Simplify right side
    186,120.06x = 14,796,687,526.35
  5. Step 5: Solve for x
    x = 14,796,687,526.35/186,120.06
  6. Step 6: Final answer
    x = 79,500.77

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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.