Home / 130,401.33-179,958.27-73,043.12

Finding the Fourth Proportional to 130,401.33, 179,958.27 and 73,043.12

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Solution

The fourth proportional to 130,401.33, 179,958.27 and 73,043.12 is: 100,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401.33 : 179,958.27 = 73,043.12 : x
  2. Step 2: Convert to fraction form
    130,401.33/179,958.27 = 73,043.12/x
  3. Step 3: Cross multiply
    130,401.33x = 179,958.27 × 73,043.12
  4. Step 4: Simplify right side
    130,401.33x = 13,144,712,610.81
  5. Step 5: Solve for x
    x = 13,144,712,610.81/130,401.33
  6. Step 6: Final answer
    x = 100,801.98

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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.