Home / 185,353.76-278,063.58-67,190.16

Finding the Fourth Proportional to 185,353.76, 278,063.58 and 67,190.16

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Solution

The fourth proportional to 185,353.76, 278,063.58 and 67,190.16 is: 100,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,353.76 : 278,063.58 = 67,190.16 : x
  2. Step 2: Convert to fraction form
    185,353.76/278,063.58 = 67,190.16/x
  3. Step 3: Cross multiply
    185,353.76x = 278,063.58 × 67,190.16
  4. Step 4: Simplify right side
    185,353.76x = 18,683,136,430.37
  5. Step 5: Solve for x
    x = 18,683,136,430.37/185,353.76
  6. Step 6: Final answer
    x = 100,797.18

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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.