Home / 190,626.48-285,740.20-64,223.05

Finding the Fourth Proportional to 190,626.48, 285,740.20 and 64,223.05

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Solution

The fourth proportional to 190,626.48, 285,740.20 and 64,223.05 is: 96,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,626.48 : 285,740.20 = 64,223.05 : x
  2. Step 2: Convert to fraction form
    190,626.48/285,740.20 = 64,223.05/x
  3. Step 3: Cross multiply
    190,626.48x = 285,740.20 × 64,223.05
  4. Step 4: Simplify right side
    190,626.48x = 18,351,105,401.79
  5. Step 5: Solve for x
    x = 18,351,105,401.79/190,626.48
  6. Step 6: Final answer
    x = 96,267.35

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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.