Home / 148,616.37-223,015.68-85,516.56

Finding the Fourth Proportional to 148,616.37, 223,015.68 and 85,516.56

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Solution

The fourth proportional to 148,616.37, 223,015.68 and 85,516.56 is: 128,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,616.37 : 223,015.68 = 85,516.56 : x
  2. Step 2: Convert to fraction form
    148,616.37/223,015.68 = 85,516.56/x
  3. Step 3: Cross multiply
    148,616.37x = 223,015.68 × 85,516.56
  4. Step 4: Simplify right side
    148,616.37x = 19,071,533,779.66
  5. Step 5: Solve for x
    x = 19,071,533,779.66/148,616.37
  6. Step 6: Final answer
    x = 128,327.27

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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.