Home / 130,958.54-180,717.98-80,056.52

Finding the Fourth Proportional to 130,958.54, 180,717.98 and 80,056.52

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Solution

The fourth proportional to 130,958.54, 180,717.98 and 80,056.52 is: 110,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,958.54 : 180,717.98 = 80,056.52 : x
  2. Step 2: Convert to fraction form
    130,958.54/180,717.98 = 80,056.52/x
  3. Step 3: Cross multiply
    130,958.54x = 180,717.98 × 80,056.52
  4. Step 4: Simplify right side
    130,958.54x = 14,467,651,276.36
  5. Step 5: Solve for x
    x = 14,467,651,276.36/130,958.54
  6. Step 6: Final answer
    x = 110,475.05

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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.