Home / 130,503.37-195,756.20-51,617.58

Finding the Fourth Proportional to 130,503.37, 195,756.20 and 51,617.58

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Solution

The fourth proportional to 130,503.37, 195,756.20 and 51,617.58 is: 77,426.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,503.37 : 195,756.20 = 51,617.58 : x
  2. Step 2: Convert to fraction form
    130,503.37/195,756.20 = 51,617.58/x
  3. Step 3: Cross multiply
    130,503.37x = 195,756.20 × 51,617.58
  4. Step 4: Simplify right side
    130,503.37x = 10,104,461,314.00
  5. Step 5: Solve for x
    x = 10,104,461,314.00/130,503.37
  6. Step 6: Final answer
    x = 77,426.82

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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.