Home / 229,100.33-316,143.26-127,119.33

Finding the Fourth Proportional to 229,100.33, 316,143.26 and 127,119.33

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Solution

The fourth proportional to 229,100.33, 316,143.26 and 127,119.33 is: 175,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,100.33 : 316,143.26 = 127,119.33 : x
  2. Step 2: Convert to fraction form
    229,100.33/316,143.26 = 127,119.33/x
  3. Step 3: Cross multiply
    229,100.33x = 316,143.26 × 127,119.33
  4. Step 4: Simplify right side
    229,100.33x = 40,187,919,395.22
  5. Step 5: Solve for x
    x = 40,187,919,395.22/229,100.33
  6. Step 6: Final answer
    x = 175,416.24

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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.