Home / 190,279.50-285,436.10-50,038.12

Finding the Fourth Proportional to 190,279.50, 285,436.10 and 50,038.12

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Solution

The fourth proportional to 190,279.50, 285,436.10 and 50,038.12 is: 75,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,279.50 : 285,436.10 = 50,038.12 : x
  2. Step 2: Convert to fraction form
    190,279.50/285,436.10 = 50,038.12/x
  3. Step 3: Cross multiply
    190,279.50x = 285,436.10 × 50,038.12
  4. Step 4: Simplify right side
    190,279.50x = 14,282,685,824.13
  5. Step 5: Solve for x
    x = 14,282,685,824.13/190,279.50
  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.