Home / 193,256.20-289,905.90-60,135.40

Finding the Fourth Proportional to 193,256.20, 289,905.90 and 60,135.40

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Solution

The fourth proportional to 193,256.20, 289,905.90 and 60,135.40 is: 90,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,256.20 : 289,905.90 = 60,135.40 : x
  2. Step 2: Convert to fraction form
    193,256.20/289,905.90 = 60,135.40/x
  3. Step 3: Cross multiply
    193,256.20x = 289,905.90 × 60,135.40
  4. Step 4: Simplify right side
    193,256.20x = 17,433,607,258.86
  5. Step 5: Solve for x
    x = 17,433,607,258.86/193,256.20
  6. Step 6: Final answer
    x = 90,209.82

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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.