Home / 186,002.20-279,068.10-80,896.60

Finding the Fourth Proportional to 186,002.20, 279,068.10 and 80,896.60

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Solution

The fourth proportional to 186,002.20, 279,068.10 and 80,896.60 is: 121,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,002.20 : 279,068.10 = 80,896.60 : x
  2. Step 2: Convert to fraction form
    186,002.20/279,068.10 = 80,896.60/x
  3. Step 3: Cross multiply
    186,002.20x = 279,068.10 × 80,896.60
  4. Step 4: Simplify right side
    186,002.20x = 22,575,660,458.46
  5. Step 5: Solve for x
    x = 22,575,660,458.46/186,002.20
  6. Step 6: Final answer
    x = 121,373.08

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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.