Home / 190,904.45-263,468.80-122,056.32

Finding the Fourth Proportional to 190,904.45, 263,468.80 and 122,056.32

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Solution

The fourth proportional to 190,904.45, 263,468.80 and 122,056.32 is: 168,450.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.45 : 263,468.80 = 122,056.32 : x
  2. Step 2: Convert to fraction form
    190,904.45/263,468.80 = 122,056.32/x
  3. Step 3: Cross multiply
    190,904.45x = 263,468.80 × 122,056.32
  4. Step 4: Simplify right side
    190,904.45x = 32,158,031,821.38
  5. Step 5: Solve for x
    x = 32,158,031,821.38/190,904.45
  6. Step 6: Final answer
    x = 168,450.93

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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.