Home / 228,853.89-316,076.99-156,131.96

Finding the Fourth Proportional to 228,853.89, 316,076.99 and 156,131.96

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Solution

The fourth proportional to 228,853.89, 316,076.99 and 156,131.96 is: 215,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,853.89 : 316,076.99 = 156,131.96 : x
  2. Step 2: Convert to fraction form
    228,853.89/316,076.99 = 156,131.96/x
  3. Step 3: Cross multiply
    228,853.89x = 316,076.99 × 156,131.96
  4. Step 4: Simplify right side
    228,853.89x = 49,349,717,598.56
  5. Step 5: Solve for x
    x = 49,349,717,598.56/228,853.89
  6. Step 6: Final answer
    x = 215,638.54

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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.