Home / 156,956.40-235,462.80-57,256.46

Finding the Fourth Proportional to 156,956.40, 235,462.80 and 57,256.46

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Solution

The fourth proportional to 156,956.40, 235,462.80 and 57,256.46 is: 85,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,956.40 : 235,462.80 = 57,256.46 : x
  2. Step 2: Convert to fraction form
    156,956.40/235,462.80 = 57,256.46/x
  3. Step 3: Cross multiply
    156,956.40x = 235,462.80 × 57,256.46
  4. Step 4: Simplify right side
    156,956.40x = 13,481,766,389.69
  5. Step 5: Solve for x
    x = 13,481,766,389.69/156,956.40
  6. Step 6: Final answer
    x = 85,894.98

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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.