Home / 99,384.60-148,961.70-40,181.40

Finding the Fourth Proportional to 99,384.60, 148,961.70 and 40,181.40

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Solution

The fourth proportional to 99,384.60, 148,961.70 and 40,181.40 is: 60,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,384.60 : 148,961.70 = 40,181.40 : x
  2. Step 2: Convert to fraction form
    99,384.60/148,961.70 = 40,181.40/x
  3. Step 3: Cross multiply
    99,384.60x = 148,961.70 × 40,181.40
  4. Step 4: Simplify right side
    99,384.60x = 5,985,489,652.38
  5. Step 5: Solve for x
    x = 5,985,489,652.38/99,384.60
  6. Step 6: Final answer
    x = 60,225.52

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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.