Home / 115,962.40-173,684.40-89,581.60

Finding the Fourth Proportional to 115,962.40, 173,684.40 and 89,581.60

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Solution

The fourth proportional to 115,962.40, 173,684.40 and 89,581.60 is: 134,172.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,962.40 : 173,684.40 = 89,581.60 : x
  2. Step 2: Convert to fraction form
    115,962.40/173,684.40 = 89,581.60/x
  3. Step 3: Cross multiply
    115,962.40x = 173,684.40 × 89,581.60
  4. Step 4: Simplify right side
    115,962.40x = 15,558,926,447.04
  5. Step 5: Solve for x
    x = 15,558,926,447.04/115,962.40
  6. Step 6: Final answer
    x = 134,172.17

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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.