Home / 130,037.40-195,104.70-51,206.58

Finding the Fourth Proportional to 130,037.40, 195,104.70 and 51,206.58

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Solution

The fourth proportional to 130,037.40, 195,104.70 and 51,206.58 is: 76,829.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,037.40 : 195,104.70 = 51,206.58 : x
  2. Step 2: Convert to fraction form
    130,037.40/195,104.70 = 51,206.58/x
  3. Step 3: Cross multiply
    130,037.40x = 195,104.70 × 51,206.58
  4. Step 4: Simplify right side
    130,037.40x = 9,990,644,428.93
  5. Step 5: Solve for x
    x = 9,990,644,428.93/130,037.40
  6. Step 6: Final answer
    x = 76,829.01

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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.