Home / 130,622.22-180,260.73-73,274.29

Finding the Fourth Proportional to 130,622.22, 180,260.73 and 73,274.29

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Solution

The fourth proportional to 130,622.22, 180,260.73 and 73,274.29 is: 101,119.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,622.22 : 180,260.73 = 73,274.29 : x
  2. Step 2: Convert to fraction form
    130,622.22/180,260.73 = 73,274.29/x
  3. Step 3: Cross multiply
    130,622.22x = 180,260.73 × 73,274.29
  4. Step 4: Simplify right side
    130,622.22x = 13,208,476,554.98
  5. Step 5: Solve for x
    x = 13,208,476,554.98/130,622.22
  6. Step 6: Final answer
    x = 101,119.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.