Home / 190,279.49-285,436.09-50,038.12

Finding the Fourth Proportional to 190,279.49, 285,436.09 and 50,038.12

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Solution

The fourth proportional to 190,279.49, 285,436.09 and 50,038.12 is: 75,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,279.49 : 285,436.09 = 50,038.12 : x
  2. Step 2: Convert to fraction form
    190,279.49/285,436.09 = 50,038.12/x
  3. Step 3: Cross multiply
    190,279.49x = 285,436.09 × 50,038.12
  4. Step 4: Simplify right side
    190,279.49x = 14,282,685,323.75
  5. Step 5: Solve for x
    x = 14,282,685,323.75/190,279.49
  6. Step 6: Final answer
    x = 75,061.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.