Home / 156,907.39-235,389.30-57,207.46

Finding the Fourth Proportional to 156,907.39, 235,389.30 and 57,207.46

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Solution

The fourth proportional to 156,907.39, 235,389.30 and 57,207.46 is: 85,821.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,907.39 : 235,389.30 = 57,207.46 : x
  2. Step 2: Convert to fraction form
    156,907.39/235,389.30 = 57,207.46/x
  3. Step 3: Cross multiply
    156,907.39x = 235,389.30 × 57,207.46
  4. Step 4: Simplify right side
    156,907.39x = 13,466,023,964.18
  5. Step 5: Solve for x
    x = 13,466,023,964.18/156,907.39
  6. Step 6: Final answer
    x = 85,821.48

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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.