Home / 141,785.63-195,677.96-105,913.36

Finding the Fourth Proportional to 141,785.63, 195,677.96 and 105,913.36

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Solution

The fourth proportional to 141,785.63, 195,677.96 and 105,913.36 is: 146,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,785.63 : 195,677.96 = 105,913.36 : x
  2. Step 2: Convert to fraction form
    141,785.63/195,677.96 = 105,913.36/x
  3. Step 3: Cross multiply
    141,785.63x = 195,677.96 × 105,913.36
  4. Step 4: Simplify right side
    141,785.63x = 20,724,910,955.34
  5. Step 5: Solve for x
    x = 20,724,910,955.34/141,785.63
  6. Step 6: Final answer
    x = 146,170.74

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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.