Home / 162,234.36-223,760.10-139,611.48

Finding the Fourth Proportional to 162,234.36, 223,760.10 and 139,611.48

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Solution

The fourth proportional to 162,234.36, 223,760.10 and 139,611.48 is: 192,557.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,234.36 : 223,760.10 = 139,611.48 : x
  2. Step 2: Convert to fraction form
    162,234.36/223,760.10 = 139,611.48/x
  3. Step 3: Cross multiply
    162,234.36x = 223,760.10 × 139,611.48
  4. Step 4: Simplify right side
    162,234.36x = 31,239,478,725.95
  5. Step 5: Solve for x
    x = 31,239,478,725.95/162,234.36
  6. Step 6: Final answer
    x = 192,557.72

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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.