Home / 116,171.60-174,257.40-89,895.20

Finding the Fourth Proportional to 116,171.60, 174,257.40 and 89,895.20

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Solution

The fourth proportional to 116,171.60, 174,257.40 and 89,895.20 is: 134,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,171.60 : 174,257.40 = 89,895.20 : x
  2. Step 2: Convert to fraction form
    116,171.60/174,257.40 = 89,895.20/x
  3. Step 3: Cross multiply
    116,171.60x = 174,257.40 × 89,895.20
  4. Step 4: Simplify right side
    116,171.60x = 15,664,903,824.48
  5. Step 5: Solve for x
    x = 15,664,903,824.48/116,171.60
  6. Step 6: Final answer
    x = 134,842.80

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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.