Home / 132,648.84-183,050.28-72,217.44

Finding the Fourth Proportional to 132,648.84, 183,050.28 and 72,217.44

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Solution

The fourth proportional to 132,648.84, 183,050.28 and 72,217.44 is: 99,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,648.84 : 183,050.28 = 72,217.44 : x
  2. Step 2: Convert to fraction form
    132,648.84/183,050.28 = 72,217.44/x
  3. Step 3: Cross multiply
    132,648.84x = 183,050.28 × 72,217.44
  4. Step 4: Simplify right side
    132,648.84x = 13,219,422,612.88
  5. Step 5: Solve for x
    x = 13,219,422,612.88/132,648.84
  6. Step 6: Final answer
    x = 99,657.28

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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.