Home / 104,274.72-143,861.40-68,484.12

Finding the Fourth Proportional to 104,274.72, 143,861.40 and 68,484.12

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Solution

The fourth proportional to 104,274.72, 143,861.40 and 68,484.12 is: 94,483.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,274.72 : 143,861.40 = 68,484.12 : x
  2. Step 2: Convert to fraction form
    104,274.72/143,861.40 = 68,484.12/x
  3. Step 3: Cross multiply
    104,274.72x = 143,861.40 × 68,484.12
  4. Step 4: Simplify right side
    104,274.72x = 9,852,221,380.97
  5. Step 5: Solve for x
    x = 9,852,221,380.97/104,274.72
  6. Step 6: Final answer
    x = 94,483.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.