Home / 190,690.04-286,048.74-50,447

Finding the Fourth Proportional to 190,690.04, 286,048.74 and 50,447

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Solution

The fourth proportional to 190,690.04, 286,048.74 and 50,447 is: 75,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,690.04 : 286,048.74 = 50,447 : x
  2. Step 2: Convert to fraction form
    190,690.04/286,048.74 = 50,447/x
  3. Step 3: Cross multiply
    190,690.04x = 286,048.74 × 50,447
  4. Step 4: Simplify right side
    190,690.04x = 14,430,300,786.78
  5. Step 5: Solve for x
    x = 14,430,300,786.78/190,690.04
  6. Step 6: Final answer
    x = 75,674.12

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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.