Home / 162,739.72-224,554.62-91,122.76

Finding the Fourth Proportional to 162,739.72, 224,554.62 and 91,122.76

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Solution

The fourth proportional to 162,739.72, 224,554.62 and 91,122.76 is: 125,734.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,739.72 : 224,554.62 = 91,122.76 : x
  2. Step 2: Convert to fraction form
    162,739.72/224,554.62 = 91,122.76/x
  3. Step 3: Cross multiply
    162,739.72x = 224,554.62 × 91,122.76
  4. Step 4: Simplify right side
    162,739.72x = 20,462,036,745.15
  5. Step 5: Solve for x
    x = 20,462,036,745.15/162,739.72
  6. Step 6: Final answer
    x = 125,734.74

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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.