Home / 141,713.81-195,578.85-105,841.53

Finding the Fourth Proportional to 141,713.81, 195,578.85 and 105,841.53

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Solution

The fourth proportional to 141,713.81, 195,578.85 and 105,841.53 is: 146,071.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,713.81 : 195,578.85 = 105,841.53 : x
  2. Step 2: Convert to fraction form
    141,713.81/195,578.85 = 105,841.53/x
  3. Step 3: Cross multiply
    141,713.81x = 195,578.85 × 105,841.53
  4. Step 4: Simplify right side
    141,713.81x = 20,700,364,719.64
  5. Step 5: Solve for x
    x = 20,700,364,719.64/141,713.81
  6. Step 6: Final answer
    x = 146,071.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.