Home / 190,514.08-262,909.36-103,299.25

Finding the Fourth Proportional to 190,514.08, 262,909.36 and 103,299.25

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Solution

The fourth proportional to 190,514.08, 262,909.36 and 103,299.25 is: 142,552.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,514.08 : 262,909.36 = 103,299.25 : x
  2. Step 2: Convert to fraction form
    190,514.08/262,909.36 = 103,299.25/x
  3. Step 3: Cross multiply
    190,514.08x = 262,909.36 × 103,299.25
  4. Step 4: Simplify right side
    190,514.08x = 27,158,339,705.98
  5. Step 5: Solve for x
    x = 27,158,339,705.98/190,514.08
  6. Step 6: Final answer
    x = 142,552.93

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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.