Home / 186,028.40-279,042.60-61,353.20

Finding the Fourth Proportional to 186,028.40, 279,042.60 and 61,353.20

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Solution

The fourth proportional to 186,028.40, 279,042.60 and 61,353.20 is: 92,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,028.40 : 279,042.60 = 61,353.20 : x
  2. Step 2: Convert to fraction form
    186,028.40/279,042.60 = 61,353.20/x
  3. Step 3: Cross multiply
    186,028.40x = 279,042.60 × 61,353.20
  4. Step 4: Simplify right side
    186,028.40x = 17,120,156,446.32
  5. Step 5: Solve for x
    x = 17,120,156,446.32/186,028.40
  6. Step 6: Final answer
    x = 92,029.80

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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.