Home / 156,899.88-235,347.80-38,572.24

Finding the Fourth Proportional to 156,899.88, 235,347.80 and 38,572.24

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Solution

The fourth proportional to 156,899.88, 235,347.80 and 38,572.24 is: 57,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,899.88 : 235,347.80 = 38,572.24 : x
  2. Step 2: Convert to fraction form
    156,899.88/235,347.80 = 38,572.24/x
  3. Step 3: Cross multiply
    156,899.88x = 235,347.80 × 38,572.24
  4. Step 4: Simplify right side
    156,899.88x = 9,077,891,825.07
  5. Step 5: Solve for x
    x = 9,077,891,825.07/156,899.88
  6. Step 6: Final answer
    x = 57,857.86

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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.