Home / 141,955.34-212,977.35-42,116.02

Finding the Fourth Proportional to 141,955.34, 212,977.35 and 42,116.02

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Solution

The fourth proportional to 141,955.34, 212,977.35 and 42,116.02 is: 63,187.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,955.34 : 212,977.35 = 42,116.02 : x
  2. Step 2: Convert to fraction form
    141,955.34/212,977.35 = 42,116.02/x
  3. Step 3: Cross multiply
    141,955.34x = 212,977.35 × 42,116.02
  4. Step 4: Simplify right side
    141,955.34x = 8,969,757,799.70
  5. Step 5: Solve for x
    x = 8,969,757,799.70/141,955.34
  6. Step 6: Final answer
    x = 63,187.18

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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.