Home / 141,815.10-212,731.31-45,762.06

Finding the Fourth Proportional to 141,815.10, 212,731.31 and 45,762.06

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Solution

The fourth proportional to 141,815.10, 212,731.31 and 45,762.06 is: 68,645.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,815.10 : 212,731.31 = 45,762.06 : x
  2. Step 2: Convert to fraction form
    141,815.10/212,731.31 = 45,762.06/x
  3. Step 3: Cross multiply
    141,815.10x = 212,731.31 × 45,762.06
  4. Step 4: Simplify right side
    141,815.10x = 9,735,023,884.25
  5. Step 5: Solve for x
    x = 9,735,023,884.25/141,815.10
  6. Step 6: Final answer
    x = 68,645.89

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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.