Home / 191,163.12-286,803-97,734.48

Finding the Fourth Proportional to 191,163.12, 286,803 and 97,734.48

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Solution

The fourth proportional to 191,163.12, 286,803 and 97,734.48 is: 146,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,163.12 : 286,803 = 97,734.48 : x
  2. Step 2: Convert to fraction form
    191,163.12/286,803 = 97,734.48/x
  3. Step 3: Cross multiply
    191,163.12x = 286,803 × 97,734.48
  4. Step 4: Simplify right side
    191,163.12x = 28,030,542,067.44
  5. Step 5: Solve for x
    x = 28,030,542,067.44/191,163.12
  6. Step 6: Final answer
    x = 146,631.54

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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.