Home / 141,435.75-212,108.40-46,648.20

Finding the Fourth Proportional to 141,435.75, 212,108.40 and 46,648.20

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Solution

The fourth proportional to 141,435.75, 212,108.40 and 46,648.20 is: 69,957.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,435.75 : 212,108.40 = 46,648.20 : x
  2. Step 2: Convert to fraction form
    141,435.75/212,108.40 = 46,648.20/x
  3. Step 3: Cross multiply
    141,435.75x = 212,108.40 × 46,648.20
  4. Step 4: Simplify right side
    141,435.75x = 9,894,475,064.88
  5. Step 5: Solve for x
    x = 9,894,475,064.88/141,435.75
  6. Step 6: Final answer
    x = 69,957.38

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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.