Home / 229,161.89-316,238.65-127,181.43

Finding the Fourth Proportional to 229,161.89, 316,238.65 and 127,181.43

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Solution

The fourth proportional to 229,161.89, 316,238.65 and 127,181.43 is: 175,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,161.89 : 316,238.65 = 127,181.43 : x
  2. Step 2: Convert to fraction form
    229,161.89/316,238.65 = 127,181.43/x
  3. Step 3: Cross multiply
    229,161.89x = 316,238.65 × 127,181.43
  4. Step 4: Simplify right side
    229,161.89x = 40,219,683,728.27
  5. Step 5: Solve for x
    x = 40,219,683,728.27/229,161.89
  6. Step 6: Final answer
    x = 175,507.73

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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.