Home / 124,818.60-186,839.10-89,826.60

Finding the Fourth Proportional to 124,818.60, 186,839.10 and 89,826.60

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Solution

The fourth proportional to 124,818.60, 186,839.10 and 89,826.60 is: 134,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.60 : 186,839.10 = 89,826.60 : x
  2. Step 2: Convert to fraction form
    124,818.60/186,839.10 = 89,826.60/x
  3. Step 3: Cross multiply
    124,818.60x = 186,839.10 × 89,826.60
  4. Step 4: Simplify right side
    124,818.60x = 16,783,121,100.06
  5. Step 5: Solve for x
    x = 16,783,121,100.06/124,818.60
  6. Step 6: Final answer
    x = 134,460.10

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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.