Home / 130,060.04-195,105.68-45,802.78

Finding the Fourth Proportional to 130,060.04, 195,105.68 and 45,802.78

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Solution

The fourth proportional to 130,060.04, 195,105.68 and 45,802.78 is: 68,709.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,060.04 : 195,105.68 = 45,802.78 : x
  2. Step 2: Convert to fraction form
    130,060.04/195,105.68 = 45,802.78/x
  3. Step 3: Cross multiply
    130,060.04x = 195,105.68 × 45,802.78
  4. Step 4: Simplify right side
    130,060.04x = 8,936,382,652.30
  5. Step 5: Solve for x
    x = 8,936,382,652.30/130,060.04
  6. Step 6: Final answer
    x = 68,709.67

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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.