Home / 141,209.10-194,869.92-77,548.26

Finding the Fourth Proportional to 141,209.10, 194,869.92 and 77,548.26

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Solution

The fourth proportional to 141,209.10, 194,869.92 and 77,548.26 is: 107,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,209.10 : 194,869.92 = 77,548.26 : x
  2. Step 2: Convert to fraction form
    141,209.10/194,869.92 = 77,548.26/x
  3. Step 3: Cross multiply
    141,209.10x = 194,869.92 × 77,548.26
  4. Step 4: Simplify right side
    141,209.10x = 15,111,823,222.34
  5. Step 5: Solve for x
    x = 15,111,823,222.34/141,209.10
  6. Step 6: Final answer
    x = 107,017.35

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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.