Home / 118,123.12-177,258.46-48,002.40

Finding the Fourth Proportional to 118,123.12, 177,258.46 and 48,002.40

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Solution

The fourth proportional to 118,123.12, 177,258.46 and 48,002.40 is: 72,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,123.12 : 177,258.46 = 48,002.40 : x
  2. Step 2: Convert to fraction form
    118,123.12/177,258.46 = 48,002.40/x
  3. Step 3: Cross multiply
    118,123.12x = 177,258.46 × 48,002.40
  4. Step 4: Simplify right side
    118,123.12x = 8,508,831,500.30
  5. Step 5: Solve for x
    x = 8,508,831,500.30/118,123.12
  6. Step 6: Final answer
    x = 72,033.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.