Home / 228,921.02-315,927.18-126,956.23

Finding the Fourth Proportional to 228,921.02, 315,927.18 and 126,956.23

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Solution

The fourth proportional to 228,921.02, 315,927.18 and 126,956.23 is: 175,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,921.02 : 315,927.18 = 126,956.23 : x
  2. Step 2: Convert to fraction form
    228,921.02/315,927.18 = 126,956.23/x
  3. Step 3: Cross multiply
    228,921.02x = 315,927.18 × 126,956.23
  4. Step 4: Simplify right side
    228,921.02x = 40,108,924,122.24
  5. Step 5: Solve for x
    x = 40,108,924,122.24/228,921.02
  6. Step 6: Final answer
    x = 175,208.57

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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.