Home / 93,628.20-140,442.30-89,740.20

Finding the Fourth Proportional to 93,628.20, 140,442.30 and 89,740.20

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Solution

The fourth proportional to 93,628.20, 140,442.30 and 89,740.20 is: 134,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,628.20 : 140,442.30 = 89,740.20 : x
  2. Step 2: Convert to fraction form
    93,628.20/140,442.30 = 89,740.20/x
  3. Step 3: Cross multiply
    93,628.20x = 140,442.30 × 89,740.20
  4. Step 4: Simplify right side
    93,628.20x = 12,603,320,090.46
  5. Step 5: Solve for x
    x = 12,603,320,090.46/93,628.20
  6. Step 6: Final answer
    x = 134,610.30

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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.