Home / 143,628.23-198,291.83-127,666.53

Finding the Fourth Proportional to 143,628.23, 198,291.83 and 127,666.53

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Solution

The fourth proportional to 143,628.23, 198,291.83 and 127,666.53 is: 176,255.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,628.23 : 198,291.83 = 127,666.53 : x
  2. Step 2: Convert to fraction form
    143,628.23/198,291.83 = 127,666.53/x
  3. Step 3: Cross multiply
    143,628.23x = 198,291.83 × 127,666.53
  4. Step 4: Simplify right side
    143,628.23x = 25,315,229,863.45
  5. Step 5: Solve for x
    x = 25,315,229,863.45/143,628.23
  6. Step 6: Final answer
    x = 176,255.25

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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.