Home / 127,950.21-176,571.53-71,365.23

Finding the Fourth Proportional to 127,950.21, 176,571.53 and 71,365.23

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Solution

The fourth proportional to 127,950.21, 176,571.53 and 71,365.23 is: 98,484.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,950.21 : 176,571.53 = 71,365.23 : x
  2. Step 2: Convert to fraction form
    127,950.21/176,571.53 = 71,365.23/x
  3. Step 3: Cross multiply
    127,950.21x = 176,571.53 × 71,365.23
  4. Step 4: Simplify right side
    127,950.21x = 12,601,067,493.08
  5. Step 5: Solve for x
    x = 12,601,067,493.08/127,950.21
  6. Step 6: Final answer
    x = 98,484.15

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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.