Home / 141,547.40-212,321.10-97,310.60

Finding the Fourth Proportional to 141,547.40, 212,321.10 and 97,310.60

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Solution

The fourth proportional to 141,547.40, 212,321.10 and 97,310.60 is: 145,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,547.40 : 212,321.10 = 97,310.60 : x
  2. Step 2: Convert to fraction form
    141,547.40/212,321.10 = 97,310.60/x
  3. Step 3: Cross multiply
    141,547.40x = 212,321.10 × 97,310.60
  4. Step 4: Simplify right side
    141,547.40x = 20,661,093,633.66
  5. Step 5: Solve for x
    x = 20,661,093,633.66/141,547.40
  6. Step 6: Final answer
    x = 145,965.90

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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.