Home / 140,813.50-194,322.75-77,151.58

Finding the Fourth Proportional to 140,813.50, 194,322.75 and 77,151.58

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Solution

The fourth proportional to 140,813.50, 194,322.75 and 77,151.58 is: 106,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,813.50 : 194,322.75 = 77,151.58 : x
  2. Step 2: Convert to fraction form
    140,813.50/194,322.75 = 77,151.58/x
  3. Step 3: Cross multiply
    140,813.50x = 194,322.75 × 77,151.58
  4. Step 4: Simplify right side
    140,813.50x = 14,992,307,192.45
  5. Step 5: Solve for x
    x = 14,992,307,192.45/140,813.50
  6. Step 6: Final answer
    x = 106,469.25

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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.