Home / 93,460.20-140,190.30-89,831.40

Finding the Fourth Proportional to 93,460.20, 140,190.30 and 89,831.40

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Solution

The fourth proportional to 93,460.20, 140,190.30 and 89,831.40 is: 134,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,460.20 : 140,190.30 = 89,831.40 : x
  2. Step 2: Convert to fraction form
    93,460.20/140,190.30 = 89,831.40/x
  3. Step 3: Cross multiply
    93,460.20x = 140,190.30 × 89,831.40
  4. Step 4: Simplify right side
    93,460.20x = 12,593,490,915.42
  5. Step 5: Solve for x
    x = 12,593,490,915.42/93,460.20
  6. Step 6: Final answer
    x = 134,747.10

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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.