Home / 197,423.55-272,443.44-106,779.42

Finding the Fourth Proportional to 197,423.55, 272,443.44 and 106,779.42

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Solution

The fourth proportional to 197,423.55, 272,443.44 and 106,779.42 is: 147,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,423.55 : 272,443.44 = 106,779.42 : x
  2. Step 2: Convert to fraction form
    197,423.55/272,443.44 = 106,779.42/x
  3. Step 3: Cross multiply
    197,423.55x = 272,443.44 × 106,779.42
  4. Step 4: Simplify right side
    197,423.55x = 29,091,352,506.00
  5. Step 5: Solve for x
    x = 29,091,352,506.00/197,423.55
  6. Step 6: Final answer
    x = 147,355.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.