Home / 129,130.98-193,707.60-35,636.73

Finding the Fourth Proportional to 129,130.98, 193,707.60 and 35,636.73

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Solution

The fourth proportional to 129,130.98, 193,707.60 and 35,636.73 is: 53,458.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,130.98 : 193,707.60 = 35,636.73 : x
  2. Step 2: Convert to fraction form
    129,130.98/193,707.60 = 35,636.73/x
  3. Step 3: Cross multiply
    129,130.98x = 193,707.60 × 35,636.73
  4. Step 4: Simplify right side
    129,130.98x = 6,903,105,440.15
  5. Step 5: Solve for x
    x = 6,903,105,440.15/129,130.98
  6. Step 6: Final answer
    x = 53,458.17

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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.