Home / 156,633.40-234,950.10-51,438.70

Finding the Fourth Proportional to 156,633.40, 234,950.10 and 51,438.70

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Solution

The fourth proportional to 156,633.40, 234,950.10 and 51,438.70 is: 77,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,633.40 : 234,950.10 = 51,438.70 : x
  2. Step 2: Convert to fraction form
    156,633.40/234,950.10 = 51,438.70/x
  3. Step 3: Cross multiply
    156,633.40x = 234,950.10 × 51,438.70
  4. Step 4: Simplify right side
    156,633.40x = 12,085,527,708.87
  5. Step 5: Solve for x
    x = 12,085,527,708.87/156,633.40
  6. Step 6: Final answer
    x = 77,158.05

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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.