Home / 190,053.12-262,255.52-113,557

Finding the Fourth Proportional to 190,053.12, 262,255.52 and 113,557

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Solution

The fourth proportional to 190,053.12, 262,255.52 and 113,557 is: 156,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,053.12 : 262,255.52 = 113,557 : x
  2. Step 2: Convert to fraction form
    190,053.12/262,255.52 = 113,557/x
  3. Step 3: Cross multiply
    190,053.12x = 262,255.52 × 113,557
  4. Step 4: Simplify right side
    190,053.12x = 29,780,950,084.64
  5. Step 5: Solve for x
    x = 29,780,950,084.64/190,053.12
  6. Step 6: Final answer
    x = 156,698.03

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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.