Home / 156,931.14-235,322.72-57,020.88

Finding the Fourth Proportional to 156,931.14, 235,322.72 and 57,020.88

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Solution

The fourth proportional to 156,931.14, 235,322.72 and 57,020.88 is: 85,504.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.14 : 235,322.72 = 57,020.88 : x
  2. Step 2: Convert to fraction form
    156,931.14/235,322.72 = 57,020.88/x
  3. Step 3: Cross multiply
    156,931.14x = 235,322.72 × 57,020.88
  4. Step 4: Simplify right side
    156,931.14x = 13,418,308,578.39
  5. Step 5: Solve for x
    x = 13,418,308,578.39/156,931.14
  6. Step 6: Final answer
    x = 85,504.44

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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.