Home / 141,228.78-194,814.36-84,607.35

Finding the Fourth Proportional to 141,228.78, 194,814.36 and 84,607.35

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Solution

The fourth proportional to 141,228.78, 194,814.36 and 84,607.35 is: 116,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,228.78 : 194,814.36 = 84,607.35 : x
  2. Step 2: Convert to fraction form
    141,228.78/194,814.36 = 84,607.35/x
  3. Step 3: Cross multiply
    141,228.78x = 194,814.36 × 84,607.35
  4. Step 4: Simplify right side
    141,228.78x = 16,482,726,741.55
  5. Step 5: Solve for x
    x = 16,482,726,741.55/141,228.78
  6. Step 6: Final answer
    x = 116,709.40

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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.