Home / 130,151.16-195,275.32-51,320.34

Finding the Fourth Proportional to 130,151.16, 195,275.32 and 51,320.34

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Solution

The fourth proportional to 130,151.16, 195,275.32 and 51,320.34 is: 76,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,151.16 : 195,275.32 = 51,320.34 : x
  2. Step 2: Convert to fraction form
    130,151.16/195,275.32 = 51,320.34/x
  3. Step 3: Cross multiply
    130,151.16x = 195,275.32 × 51,320.34
  4. Step 4: Simplify right side
    130,151.16x = 10,021,595,816.01
  5. Step 5: Solve for x
    x = 10,021,595,816.01/130,151.16
  6. Step 6: Final answer
    x = 76,999.67

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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.