Home / 105,880.56-146,110.68-63,416.40

Finding the Fourth Proportional to 105,880.56, 146,110.68 and 63,416.40

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Solution

The fourth proportional to 105,880.56, 146,110.68 and 63,416.40 is: 87,511.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,880.56 : 146,110.68 = 63,416.40 : x
  2. Step 2: Convert to fraction form
    105,880.56/146,110.68 = 63,416.40/x
  3. Step 3: Cross multiply
    105,880.56x = 146,110.68 × 63,416.40
  4. Step 4: Simplify right side
    105,880.56x = 9,265,813,327.15
  5. Step 5: Solve for x
    x = 9,265,813,327.15/105,880.56
  6. Step 6: Final answer
    x = 87,511.94

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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.