Home / 130,501.53-180,086.09-73,913.31

Finding the Fourth Proportional to 130,501.53, 180,086.09 and 73,913.31

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Solution

The fourth proportional to 130,501.53, 180,086.09 and 73,913.31 is: 101,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,501.53 : 180,086.09 = 73,913.31 : x
  2. Step 2: Convert to fraction form
    130,501.53/180,086.09 = 73,913.31/x
  3. Step 3: Cross multiply
    130,501.53x = 180,086.09 × 73,913.31
  4. Step 4: Simplify right side
    130,501.53x = 13,310,758,627.29
  5. Step 5: Solve for x
    x = 13,310,758,627.29/130,501.53
  6. Step 6: Final answer
    x = 101,996.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.