Home / 130,728.85-196,028.53-46,476.39

Finding the Fourth Proportional to 130,728.85, 196,028.53 and 46,476.39

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Solution

The fourth proportional to 130,728.85, 196,028.53 and 46,476.39 is: 69,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,728.85 : 196,028.53 = 46,476.39 : x
  2. Step 2: Convert to fraction form
    130,728.85/196,028.53 = 46,476.39/x
  3. Step 3: Cross multiply
    130,728.85x = 196,028.53 × 46,476.39
  4. Step 4: Simplify right side
    130,728.85x = 9,110,698,411.41
  5. Step 5: Solve for x
    x = 9,110,698,411.41/130,728.85
  6. Step 6: Final answer
    x = 69,691.57

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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.