Home / 141,885.36-212,893.20-53,146.08

Finding the Fourth Proportional to 141,885.36, 212,893.20 and 53,146.08

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Solution

The fourth proportional to 141,885.36, 212,893.20 and 53,146.08 is: 79,743.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,885.36 : 212,893.20 = 53,146.08 : x
  2. Step 2: Convert to fraction form
    141,885.36/212,893.20 = 53,146.08/x
  3. Step 3: Cross multiply
    141,885.36x = 212,893.20 × 53,146.08
  4. Step 4: Simplify right side
    141,885.36x = 11,314,439,038.66
  5. Step 5: Solve for x
    x = 11,314,439,038.66/141,885.36
  6. Step 6: Final answer
    x = 79,743.53

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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.