Home / 337,638.15-506,205.70-112,865.58

Finding the Fourth Proportional to 337,638.15, 506,205.70 and 112,865.58

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Solution

The fourth proportional to 337,638.15, 506,205.70 and 112,865.58 is: 169,214.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,638.15 : 506,205.70 = 112,865.58 : x
  2. Step 2: Convert to fraction form
    337,638.15/506,205.70 = 112,865.58/x
  3. Step 3: Cross multiply
    337,638.15x = 506,205.70 × 112,865.58
  4. Step 4: Simplify right side
    337,638.15x = 57,133,199,647.64
  5. Step 5: Solve for x
    x = 57,133,199,647.64/337,638.15
  6. Step 6: Final answer
    x = 169,214.29

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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.