Home / 130,453.84-180,027-73,876.24

Finding the Fourth Proportional to 130,453.84, 180,027 and 73,876.24

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Solution

The fourth proportional to 130,453.84, 180,027 and 73,876.24 is: 101,949.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,453.84 : 180,027 = 73,876.24 : x
  2. Step 2: Convert to fraction form
    130,453.84/180,027 = 73,876.24/x
  3. Step 3: Cross multiply
    130,453.84x = 180,027 × 73,876.24
  4. Step 4: Simplify right side
    130,453.84x = 13,299,717,858.48
  5. Step 5: Solve for x
    x = 13,299,717,858.48/130,453.84
  6. Step 6: Final answer
    x = 101,949.61

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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.