Home / 129,971.60-194,928.24-59,783.52

Finding the Fourth Proportional to 129,971.60, 194,928.24 and 59,783.52

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Solution

The fourth proportional to 129,971.60, 194,928.24 and 59,783.52 is: 89,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,971.60 : 194,928.24 = 59,783.52 : x
  2. Step 2: Convert to fraction form
    129,971.60/194,928.24 = 59,783.52/x
  3. Step 3: Cross multiply
    129,971.60x = 194,928.24 × 59,783.52
  4. Step 4: Simplify right side
    129,971.60x = 11,653,496,334.60
  5. Step 5: Solve for x
    x = 11,653,496,334.60/129,971.60
  6. Step 6: Final answer
    x = 89,661.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.