Home / 190,260.36-262,559.10-105,377.76

Finding the Fourth Proportional to 190,260.36, 262,559.10 and 105,377.76

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Solution

The fourth proportional to 190,260.36, 262,559.10 and 105,377.76 is: 145,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,260.36 : 262,559.10 = 105,377.76 : x
  2. Step 2: Convert to fraction form
    190,260.36/262,559.10 = 105,377.76/x
  3. Step 3: Cross multiply
    190,260.36x = 262,559.10 × 105,377.76
  4. Step 4: Simplify right side
    190,260.36x = 27,667,889,825.62
  5. Step 5: Solve for x
    x = 27,667,889,825.62/190,260.36
  6. Step 6: Final answer
    x = 145,421.20

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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.