Home / 282,725.28-423,720.96-130,865.04

Finding the Fourth Proportional to 282,725.28, 423,720.96 and 130,865.04

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Solution

The fourth proportional to 282,725.28, 423,720.96 and 130,865.04 is: 196,127.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,725.28 : 423,720.96 = 130,865.04 : x
  2. Step 2: Convert to fraction form
    282,725.28/423,720.96 = 130,865.04/x
  3. Step 3: Cross multiply
    282,725.28x = 423,720.96 × 130,865.04
  4. Step 4: Simplify right side
    282,725.28x = 55,450,260,379.24
  5. Step 5: Solve for x
    x = 55,450,260,379.24/282,725.28
  6. Step 6: Final answer
    x = 196,127.71

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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.