Home / 130,602.15-195,977.04-55,715.22

Finding the Fourth Proportional to 130,602.15, 195,977.04 and 55,715.22

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Solution

The fourth proportional to 130,602.15, 195,977.04 and 55,715.22 is: 83,604.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,602.15 : 195,977.04 = 55,715.22 : x
  2. Step 2: Convert to fraction form
    130,602.15/195,977.04 = 55,715.22/x
  3. Step 3: Cross multiply
    130,602.15x = 195,977.04 × 55,715.22
  4. Step 4: Simplify right side
    130,602.15x = 10,918,903,898.55
  5. Step 5: Solve for x
    x = 10,918,903,898.55/130,602.15
  6. Step 6: Final answer
    x = 83,604.32

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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.