Home / 156,913.15-235,369.73-57,076.60

Finding the Fourth Proportional to 156,913.15, 235,369.73 and 57,076.60

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Solution

The fourth proportional to 156,913.15, 235,369.73 and 57,076.60 is: 85,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,913.15 : 235,369.73 = 57,076.60 : x
  2. Step 2: Convert to fraction form
    156,913.15/235,369.73 = 57,076.60/x
  3. Step 3: Cross multiply
    156,913.15x = 235,369.73 × 57,076.60
  4. Step 4: Simplify right side
    156,913.15x = 13,434,103,931.32
  5. Step 5: Solve for x
    x = 13,434,103,931.32/156,913.15
  6. Step 6: Final answer
    x = 85,614.90

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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.