Home / 282,445.10-423,671.06-82,769.52

Finding the Fourth Proportional to 282,445.10, 423,671.06 and 82,769.52

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Solution

The fourth proportional to 282,445.10, 423,671.06 and 82,769.52 is: 124,155.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,445.10 : 423,671.06 = 82,769.52 : x
  2. Step 2: Convert to fraction form
    282,445.10/423,671.06 = 82,769.52/x
  3. Step 3: Cross multiply
    282,445.10x = 423,671.06 × 82,769.52
  4. Step 4: Simplify right side
    282,445.10x = 35,067,050,274.09
  5. Step 5: Solve for x
    x = 35,067,050,274.09/282,445.10
  6. Step 6: Final answer
    x = 124,155.28

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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.