Home / 228,325.32-315,089.46-126,358.20

Finding the Fourth Proportional to 228,325.32, 315,089.46 and 126,358.20

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Solution

The fourth proportional to 228,325.32, 315,089.46 and 126,358.20 is: 174,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,325.32 : 315,089.46 = 126,358.20 : x
  2. Step 2: Convert to fraction form
    228,325.32/315,089.46 = 126,358.20/x
  3. Step 3: Cross multiply
    228,325.32x = 315,089.46 × 126,358.20
  4. Step 4: Simplify right side
    228,325.32x = 39,814,137,004.57
  5. Step 5: Solve for x
    x = 39,814,137,004.57/228,325.32
  6. Step 6: Final answer
    x = 174,374.60

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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.