Home / 190,333.63-262,669.01-105,450.70

Finding the Fourth Proportional to 190,333.63, 262,669.01 and 105,450.70

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Solution

The fourth proportional to 190,333.63, 262,669.01 and 105,450.70 is: 145,526.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,333.63 : 262,669.01 = 105,450.70 : x
  2. Step 2: Convert to fraction form
    190,333.63/262,669.01 = 105,450.70/x
  3. Step 3: Cross multiply
    190,333.63x = 262,669.01 × 105,450.70
  4. Step 4: Simplify right side
    190,333.63x = 27,698,630,972.81
  5. Step 5: Solve for x
    x = 27,698,630,972.81/190,333.63
  6. Step 6: Final answer
    x = 145,526.73

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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.