Home / 316,560.12-474,887.22-91,922.52

Finding the Fourth Proportional to 316,560.12, 474,887.22 and 91,922.52

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Solution

The fourth proportional to 316,560.12, 474,887.22 and 91,922.52 is: 137,897.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,560.12 : 474,887.22 = 91,922.52 : x
  2. Step 2: Convert to fraction form
    316,560.12/474,887.22 = 91,922.52/x
  3. Step 3: Cross multiply
    316,560.12x = 474,887.22 × 91,922.52
  4. Step 4: Simplify right side
    316,560.12x = 43,652,829,978.19
  5. Step 5: Solve for x
    x = 43,652,829,978.19/316,560.12
  6. Step 6: Final answer
    x = 137,897.44

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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.