Home / 228,941.96-315,934.02-126,967.88

Finding the Fourth Proportional to 228,941.96, 315,934.02 and 126,967.88

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Solution

The fourth proportional to 228,941.96, 315,934.02 and 126,967.88 is: 175,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,941.96 : 315,934.02 = 126,967.88 : x
  2. Step 2: Convert to fraction form
    228,941.96/315,934.02 = 126,967.88/x
  3. Step 3: Cross multiply
    228,941.96x = 315,934.02 × 126,967.88
  4. Step 4: Simplify right side
    228,941.96x = 40,113,472,739.28
  5. Step 5: Solve for x
    x = 40,113,472,739.28/228,941.96
  6. Step 6: Final answer
    x = 175,212.41

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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.