Home / 190,559.16-262,990.80-105,692.22

Finding the Fourth Proportional to 190,559.16, 262,990.80 and 105,692.22

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Solution

The fourth proportional to 190,559.16, 262,990.80 and 105,692.22 is: 145,865.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,559.16 : 262,990.80 = 105,692.22 : x
  2. Step 2: Convert to fraction form
    190,559.16/262,990.80 = 105,692.22/x
  3. Step 3: Cross multiply
    190,559.16x = 262,990.80 × 105,692.22
  4. Step 4: Simplify right side
    190,559.16x = 27,796,081,491.58
  5. Step 5: Solve for x
    x = 27,796,081,491.58/190,559.16
  6. Step 6: Final answer
    x = 145,865.89

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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.