Home / 156,930.95-235,322.22-57,021.51

Finding the Fourth Proportional to 156,930.95, 235,322.22 and 57,021.51

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Solution

The fourth proportional to 156,930.95, 235,322.22 and 57,021.51 is: 85,505.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,930.95 : 235,322.22 = 57,021.51 : x
  2. Step 2: Convert to fraction form
    156,930.95/235,322.22 = 57,021.51/x
  3. Step 3: Cross multiply
    156,930.95x = 235,322.22 × 57,021.51
  4. Step 4: Simplify right side
    156,930.95x = 13,418,428,320.95
  5. Step 5: Solve for x
    x = 13,418,428,320.95/156,930.95
  6. Step 6: Final answer
    x = 85,505.30

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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.