Home / 156,931.70-235,323.35-57,022.26

Finding the Fourth Proportional to 156,931.70, 235,323.35 and 57,022.26

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Solution

The fourth proportional to 156,931.70, 235,323.35 and 57,022.26 is: 85,506.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,931.70 : 235,323.35 = 57,022.26 : x
  2. Step 2: Convert to fraction form
    156,931.70/235,323.35 = 57,022.26/x
  3. Step 3: Cross multiply
    156,931.70x = 235,323.35 × 57,022.26
  4. Step 4: Simplify right side
    156,931.70x = 13,418,669,247.77
  5. Step 5: Solve for x
    x = 13,418,669,247.77/156,931.70
  6. Step 6: Final answer
    x = 85,506.43

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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.