Home / 132,913.85-183,420.45-72,483.39

Finding the Fourth Proportional to 132,913.85, 183,420.45 and 72,483.39

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Solution

The fourth proportional to 132,913.85, 183,420.45 and 72,483.39 is: 100,026.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,913.85 : 183,420.45 = 72,483.39 : x
  2. Step 2: Convert to fraction form
    132,913.85/183,420.45 = 72,483.39/x
  3. Step 3: Cross multiply
    132,913.85x = 183,420.45 × 72,483.39
  4. Step 4: Simplify right side
    132,913.85x = 13,294,936,011.33
  5. Step 5: Solve for x
    x = 13,294,936,011.33/132,913.85
  6. Step 6: Final answer
    x = 100,026.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.