Home / 141,059.40-194,661.95-80,631.35

Finding the Fourth Proportional to 141,059.40, 194,661.95 and 80,631.35

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Solution

The fourth proportional to 141,059.40, 194,661.95 and 80,631.35 is: 111,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,059.40 : 194,661.95 = 80,631.35 : x
  2. Step 2: Convert to fraction form
    141,059.40/194,661.95 = 80,631.35/x
  3. Step 3: Cross multiply
    141,059.40x = 194,661.95 × 80,631.35
  4. Step 4: Simplify right side
    141,059.40x = 15,695,854,848.82
  5. Step 5: Solve for x
    x = 15,695,854,848.82/141,059.40
  6. Step 6: Final answer
    x = 111,271.24

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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.