Home / 141,615.87-212,460.32-52,870.11

Finding the Fourth Proportional to 141,615.87, 212,460.32 and 52,870.11

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Solution

The fourth proportional to 141,615.87, 212,460.32 and 52,870.11 is: 79,318.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,615.87 : 212,460.32 = 52,870.11 : x
  2. Step 2: Convert to fraction form
    141,615.87/212,460.32 = 52,870.11/x
  3. Step 3: Cross multiply
    141,615.87x = 212,460.32 × 52,870.11
  4. Step 4: Simplify right side
    141,615.87x = 11,232,800,489.04
  5. Step 5: Solve for x
    x = 11,232,800,489.04/141,615.87
  6. Step 6: Final answer
    x = 79,318.80

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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.