Home / 190,620.63-263,056.77-105,737.67

Finding the Fourth Proportional to 190,620.63, 263,056.77 and 105,737.67

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Solution

The fourth proportional to 190,620.63, 263,056.77 and 105,737.67 is: 145,918.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,620.63 : 263,056.77 = 105,737.67 : x
  2. Step 2: Convert to fraction form
    190,620.63/263,056.77 = 105,737.67/x
  3. Step 3: Cross multiply
    190,620.63x = 263,056.77 × 105,737.67
  4. Step 4: Simplify right side
    190,620.63x = 27,815,009,937.53
  5. Step 5: Solve for x
    x = 27,815,009,937.53/190,620.63
  6. Step 6: Final answer
    x = 145,918.15

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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.