Home / 129,030.80-193,546.20-101,037.20

Finding the Fourth Proportional to 129,030.80, 193,546.20 and 101,037.20

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Solution

The fourth proportional to 129,030.80, 193,546.20 and 101,037.20 is: 151,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,030.80 : 193,546.20 = 101,037.20 : x
  2. Step 2: Convert to fraction form
    129,030.80/193,546.20 = 101,037.20/x
  3. Step 3: Cross multiply
    129,030.80x = 193,546.20 × 101,037.20
  4. Step 4: Simplify right side
    129,030.80x = 19,555,366,118.64
  5. Step 5: Solve for x
    x = 19,555,366,118.64/129,030.80
  6. Step 6: Final answer
    x = 151,555.80

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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.