Home / 156,955.40-235,399.08-57,118.04

Finding the Fourth Proportional to 156,955.40, 235,399.08 and 57,118.04

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Solution

The fourth proportional to 156,955.40, 235,399.08 and 57,118.04 is: 85,664.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.40 : 235,399.08 = 57,118.04 : x
  2. Step 2: Convert to fraction form
    156,955.40/235,399.08 = 57,118.04/x
  3. Step 3: Cross multiply
    156,955.40x = 235,399.08 × 57,118.04
  4. Step 4: Simplify right side
    156,955.40x = 13,445,534,067.40
  5. Step 5: Solve for x
    x = 13,445,534,067.40/156,955.40
  6. Step 6: Final answer
    x = 85,664.68

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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.