Home / 127,453.50-175,814.09-76,452.66

Finding the Fourth Proportional to 127,453.50, 175,814.09 and 76,452.66

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Solution

The fourth proportional to 127,453.50, 175,814.09 and 76,452.66 is: 105,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.50 : 175,814.09 = 76,452.66 : x
  2. Step 2: Convert to fraction form
    127,453.50/175,814.09 = 76,452.66/x
  3. Step 3: Cross multiply
    127,453.50x = 175,814.09 × 76,452.66
  4. Step 4: Simplify right side
    127,453.50x = 13,441,454,845.98
  5. Step 5: Solve for x
    x = 13,441,454,845.98/127,453.50
  6. Step 6: Final answer
    x = 105,461.64

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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.