Home / 156,960.15-235,440.23-57,123.60

Finding the Fourth Proportional to 156,960.15, 235,440.23 and 57,123.60

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Solution

The fourth proportional to 156,960.15, 235,440.23 and 57,123.60 is: 85,685.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,960.15 : 235,440.23 = 57,123.60 : x
  2. Step 2: Convert to fraction form
    156,960.15/235,440.23 = 57,123.60/x
  3. Step 3: Cross multiply
    156,960.15x = 235,440.23 × 57,123.60
  4. Step 4: Simplify right side
    156,960.15x = 13,449,193,236.81
  5. Step 5: Solve for x
    x = 13,449,193,236.81/156,960.15
  6. Step 6: Final answer
    x = 85,685.40

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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.