Home / 132,584.50-182,963.10-72,153.85

Finding the Fourth Proportional to 132,584.50, 182,963.10 and 72,153.85

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Solution

The fourth proportional to 132,584.50, 182,963.10 and 72,153.85 is: 99,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,584.50 : 182,963.10 = 72,153.85 : x
  2. Step 2: Convert to fraction form
    132,584.50/182,963.10 = 72,153.85/x
  3. Step 3: Cross multiply
    132,584.50x = 182,963.10 × 72,153.85
  4. Step 4: Simplify right side
    132,584.50x = 13,201,492,486.45
  5. Step 5: Solve for x
    x = 13,201,492,486.45/132,584.50
  6. Step 6: Final answer
    x = 99,570.40

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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.