Home / 156,771.64-235,107.30-51,565.72

Finding the Fourth Proportional to 156,771.64, 235,107.30 and 51,565.72

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Solution

The fourth proportional to 156,771.64, 235,107.30 and 51,565.72 is: 77,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,771.64 : 235,107.30 = 51,565.72 : x
  2. Step 2: Convert to fraction form
    156,771.64/235,107.30 = 51,565.72/x
  3. Step 3: Cross multiply
    156,771.64x = 235,107.30 × 51,565.72
  4. Step 4: Simplify right side
    156,771.64x = 12,123,477,201.76
  5. Step 5: Solve for x
    x = 12,123,477,201.76/156,771.64
  6. Step 6: Final answer
    x = 77,332.08

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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.