Home / 130,401.80-195,602.70-47,265.80

Finding the Fourth Proportional to 130,401.80, 195,602.70 and 47,265.80

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Solution

The fourth proportional to 130,401.80, 195,602.70 and 47,265.80 is: 70,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,401.80 : 195,602.70 = 47,265.80 : x
  2. Step 2: Convert to fraction form
    130,401.80/195,602.70 = 47,265.80/x
  3. Step 3: Cross multiply
    130,401.80x = 195,602.70 × 47,265.80
  4. Step 4: Simplify right side
    130,401.80x = 9,245,318,097.66
  5. Step 5: Solve for x
    x = 9,245,318,097.66/130,401.80
  6. Step 6: Final answer
    x = 70,898.70

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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.