Home / 154,030.89-230,520.63-129,099.09

Finding the Fourth Proportional to 154,030.89, 230,520.63 and 129,099.09

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Solution

The fourth proportional to 154,030.89, 230,520.63 and 129,099.09 is: 193,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,030.89 : 230,520.63 = 129,099.09 : x
  2. Step 2: Convert to fraction form
    154,030.89/230,520.63 = 129,099.09/x
  3. Step 3: Cross multiply
    154,030.89x = 230,520.63 × 129,099.09
  4. Step 4: Simplify right side
    154,030.89x = 29,760,003,559.23
  5. Step 5: Solve for x
    x = 29,760,003,559.23/154,030.89
  6. Step 6: Final answer
    x = 193,208.02

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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.