Home / 146,531.50-219,814.88-51,742.18

Finding the Fourth Proportional to 146,531.50, 219,814.88 and 51,742.18

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Solution

The fourth proportional to 146,531.50, 219,814.88 and 51,742.18 is: 77,619.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,531.50 : 219,814.88 = 51,742.18 : x
  2. Step 2: Convert to fraction form
    146,531.50/219,814.88 = 51,742.18/x
  3. Step 3: Cross multiply
    146,531.50x = 219,814.88 × 51,742.18
  4. Step 4: Simplify right side
    146,531.50x = 11,373,701,087.64
  5. Step 5: Solve for x
    x = 11,373,701,087.64/146,531.50
  6. Step 6: Final answer
    x = 77,619.50

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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.