Home / 130,262.61-179,796.20-73,706.79

Finding the Fourth Proportional to 130,262.61, 179,796.20 and 73,706.79

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Solution

The fourth proportional to 130,262.61, 179,796.20 and 73,706.79 is: 101,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,262.61 : 179,796.20 = 73,706.79 : x
  2. Step 2: Convert to fraction form
    130,262.61/179,796.20 = 73,706.79/x
  3. Step 3: Cross multiply
    130,262.61x = 179,796.20 × 73,706.79
  4. Step 4: Simplify right side
    130,262.61x = 13,252,200,756.20
  5. Step 5: Solve for x
    x = 13,252,200,756.20/130,262.61
  6. Step 6: Final answer
    x = 101,734.49

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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.