Home / 141,435.63-212,222.52-66,563.28

Finding the Fourth Proportional to 141,435.63, 212,222.52 and 66,563.28

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Solution

The fourth proportional to 141,435.63, 212,222.52 and 66,563.28 is: 99,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,435.63 : 212,222.52 = 66,563.28 : x
  2. Step 2: Convert to fraction form
    141,435.63/212,222.52 = 66,563.28/x
  3. Step 3: Cross multiply
    141,435.63x = 212,222.52 × 66,563.28
  4. Step 4: Simplify right side
    141,435.63x = 14,126,227,021.07
  5. Step 5: Solve for x
    x = 14,126,227,021.07/141,435.63
  6. Step 6: Final answer
    x = 99,877.43

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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.