Home / 130,622.10-195,816.51-51,682.34

Finding the Fourth Proportional to 130,622.10, 195,816.51 and 51,682.34

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Solution

The fourth proportional to 130,622.10, 195,816.51 and 51,682.34 is: 77,477.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.10 : 195,816.51 = 51,682.34 : x
  2. Step 2: Convert to fraction form
    130,622.10/195,816.51 = 51,682.34/x
  3. Step 3: Cross multiply
    130,622.10x = 195,816.51 × 51,682.34
  4. Step 4: Simplify right side
    130,622.10x = 10,120,254,468.35
  5. Step 5: Solve for x
    x = 10,120,254,468.35/130,622.10
  6. Step 6: Final answer
    x = 77,477.35

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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.