Home / 130,046.15-195,030.34-67,682.63

Finding the Fourth Proportional to 130,046.15, 195,030.34 and 67,682.63

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Solution

The fourth proportional to 130,046.15, 195,030.34 and 67,682.63 is: 101,503.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046.15 : 195,030.34 = 67,682.63 : x
  2. Step 2: Convert to fraction form
    130,046.15/195,030.34 = 67,682.63/x
  3. Step 3: Cross multiply
    130,046.15x = 195,030.34 × 67,682.63
  4. Step 4: Simplify right side
    130,046.15x = 13,200,166,340.99
  5. Step 5: Solve for x
    x = 13,200,166,340.99/130,046.15
  6. Step 6: Final answer
    x = 101,503.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.