Home / 154,023.40-230,862.30-79,114.60

Finding the Fourth Proportional to 154,023.40, 230,862.30 and 79,114.60

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Solution

The fourth proportional to 154,023.40, 230,862.30 and 79,114.60 is: 118,583.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,023.40 : 230,862.30 = 79,114.60 : x
  2. Step 2: Convert to fraction form
    154,023.40/230,862.30 = 79,114.60/x
  3. Step 3: Cross multiply
    154,023.40x = 230,862.30 × 79,114.60
  4. Step 4: Simplify right side
    154,023.40x = 18,264,578,519.58
  5. Step 5: Solve for x
    x = 18,264,578,519.58/154,023.40
  6. Step 6: Final answer
    x = 118,583.14

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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.