Home / 156,941.64-235,338.75-57,031.38

Finding the Fourth Proportional to 156,941.64, 235,338.75 and 57,031.38

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Solution

The fourth proportional to 156,941.64, 235,338.75 and 57,031.38 is: 85,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,941.64 : 235,338.75 = 57,031.38 : x
  2. Step 2: Convert to fraction form
    156,941.64/235,338.75 = 57,031.38/x
  3. Step 3: Cross multiply
    156,941.64x = 235,338.75 × 57,031.38
  4. Step 4: Simplify right side
    156,941.64x = 13,421,693,679.98
  5. Step 5: Solve for x
    x = 13,421,693,679.98/156,941.64
  6. Step 6: Final answer
    x = 85,520.28

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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.