Home / 89,228.40-133,842.60-68,233.20

Finding the Fourth Proportional to 89,228.40, 133,842.60 and 68,233.20

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Solution

The fourth proportional to 89,228.40, 133,842.60 and 68,233.20 is: 102,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.40 : 133,842.60 = 68,233.20 : x
  2. Step 2: Convert to fraction form
    89,228.40/133,842.60 = 68,233.20/x
  3. Step 3: Cross multiply
    89,228.40x = 133,842.60 × 68,233.20
  4. Step 4: Simplify right side
    89,228.40x = 9,132,508,894.32
  5. Step 5: Solve for x
    x = 9,132,508,894.32/89,228.40
  6. Step 6: Final answer
    x = 102,349.80

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1.5x scale

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.