Home / 142,639.52-213,993.05-46,576.26

Finding the Fourth Proportional to 142,639.52, 213,993.05 and 46,576.26

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Solution

The fourth proportional to 142,639.52, 213,993.05 and 46,576.26 is: 69,875.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,639.52 : 213,993.05 = 46,576.26 : x
  2. Step 2: Convert to fraction form
    142,639.52/213,993.05 = 46,576.26/x
  3. Step 3: Cross multiply
    142,639.52x = 213,993.05 × 46,576.26
  4. Step 4: Simplify right side
    142,639.52x = 9,966,995,702.11
  5. Step 5: Solve for x
    x = 9,966,995,702.11/142,639.52
  6. Step 6: Final answer
    x = 69,875.42

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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.