Home / 130,368.04-195,645.32-55,540.60

Finding the Fourth Proportional to 130,368.04, 195,645.32 and 55,540.60

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Solution

The fourth proportional to 130,368.04, 195,645.32 and 55,540.60 is: 83,350.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,368.04 : 195,645.32 = 55,540.60 : x
  2. Step 2: Convert to fraction form
    130,368.04/195,645.32 = 55,540.60/x
  3. Step 3: Cross multiply
    130,368.04x = 195,645.32 × 55,540.60
  4. Step 4: Simplify right side
    130,368.04x = 10,866,258,459.99
  5. Step 5: Solve for x
    x = 10,866,258,459.99/130,368.04
  6. Step 6: Final answer
    x = 83,350.63

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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.