Home / 141,907.31-212,861.79-42,068.36

Finding the Fourth Proportional to 141,907.31, 212,861.79 and 42,068.36

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Solution

The fourth proportional to 141,907.31, 212,861.79 and 42,068.36 is: 63,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,907.31 : 212,861.79 = 42,068.36 : x
  2. Step 2: Convert to fraction form
    141,907.31/212,861.79 = 42,068.36/x
  3. Step 3: Cross multiply
    141,907.31x = 212,861.79 × 42,068.36
  4. Step 4: Simplify right side
    141,907.31x = 8,954,746,944.12
  5. Step 5: Solve for x
    x = 8,954,746,944.12/141,907.31
  6. Step 6: Final answer
    x = 63,102.79

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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.