Home / 216,342.08-298,552.05-120,848.77

Finding the Fourth Proportional to 216,342.08, 298,552.05 and 120,848.77

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Solution

The fourth proportional to 216,342.08, 298,552.05 and 120,848.77 is: 166,771.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,342.08 : 298,552.05 = 120,848.77 : x
  2. Step 2: Convert to fraction form
    216,342.08/298,552.05 = 120,848.77/x
  3. Step 3: Cross multiply
    216,342.08x = 298,552.05 × 120,848.77
  4. Step 4: Simplify right side
    216,342.08x = 36,079,649,071.98
  5. Step 5: Solve for x
    x = 36,079,649,071.98/216,342.08
  6. Step 6: Final answer
    x = 166,771.30

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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.