Home / 156,918.90-235,378.35-57,082.35

Finding the Fourth Proportional to 156,918.90, 235,378.35 and 57,082.35

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Solution

The fourth proportional to 156,918.90, 235,378.35 and 57,082.35 is: 85,623.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.90 : 235,378.35 = 57,082.35 : x
  2. Step 2: Convert to fraction form
    156,918.90/235,378.35 = 57,082.35/x
  3. Step 3: Cross multiply
    156,918.90x = 235,378.35 × 57,082.35
  4. Step 4: Simplify right side
    156,918.90x = 13,435,949,357.12
  5. Step 5: Solve for x
    x = 13,435,949,357.12/156,918.90
  6. Step 6: Final answer
    x = 85,623.53

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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.