Home / 141,599.64-212,532.96-51,729.44

Finding the Fourth Proportional to 141,599.64, 212,532.96 and 51,729.44

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Solution

The fourth proportional to 141,599.64, 212,532.96 and 51,729.44 is: 77,642.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,599.64 : 212,532.96 = 51,729.44 : x
  2. Step 2: Convert to fraction form
    141,599.64/212,532.96 = 51,729.44/x
  3. Step 3: Cross multiply
    141,599.64x = 212,532.96 × 51,729.44
  4. Step 4: Simplify right side
    141,599.64x = 10,994,210,133.66
  5. Step 5: Solve for x
    x = 10,994,210,133.66/141,599.64
  6. Step 6: Final answer
    x = 77,642.92

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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.