Home / 313,343.20-470,074.32-103,041.76

Finding the Fourth Proportional to 313,343.20, 470,074.32 and 103,041.76

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Solution

The fourth proportional to 313,343.20, 470,074.32 and 103,041.76 is: 154,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,343.20 : 470,074.32 = 103,041.76 : x
  2. Step 2: Convert to fraction form
    313,343.20/470,074.32 = 103,041.76/x
  3. Step 3: Cross multiply
    313,343.20x = 470,074.32 × 103,041.76
  4. Step 4: Simplify right side
    313,343.20x = 48,437,285,263.60
  5. Step 5: Solve for x
    x = 48,437,285,263.60/313,343.20
  6. Step 6: Final answer
    x = 154,582.21

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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.