Home / 124,297.40-186,446.10-89,564.60

Finding the Fourth Proportional to 124,297.40, 186,446.10 and 89,564.60

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Solution

The fourth proportional to 124,297.40, 186,446.10 and 89,564.60 is: 134,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,297.40 : 186,446.10 = 89,564.60 : x
  2. Step 2: Convert to fraction form
    124,297.40/186,446.10 = 89,564.60/x
  3. Step 3: Cross multiply
    124,297.40x = 186,446.10 × 89,564.60
  4. Step 4: Simplify right side
    124,297.40x = 16,698,970,368.06
  5. Step 5: Solve for x
    x = 16,698,970,368.06/124,297.40
  6. Step 6: Final answer
    x = 134,346.90

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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.