Home / 130,765.90-179,890.63-114,560.22

Finding the Fourth Proportional to 130,765.90, 179,890.63 and 114,560.22

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Solution

The fourth proportional to 130,765.90, 179,890.63 and 114,560.22 is: 157,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,765.90 : 179,890.63 = 114,560.22 : x
  2. Step 2: Convert to fraction form
    130,765.90/179,890.63 = 114,560.22/x
  3. Step 3: Cross multiply
    130,765.90x = 179,890.63 × 114,560.22
  4. Step 4: Simplify right side
    130,765.90x = 20,608,310,148.74
  5. Step 5: Solve for x
    x = 20,608,310,148.74/130,765.90
  6. Step 6: Final answer
    x = 157,596.97

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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.