Home / 112,636.84-169,173.96-82,937.40

Finding the Fourth Proportional to 112,636.84, 169,173.96 and 82,937.40

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Solution

The fourth proportional to 112,636.84, 169,173.96 and 82,937.40 is: 124,567.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,636.84 : 169,173.96 = 82,937.40 : x
  2. Step 2: Convert to fraction form
    112,636.84/169,173.96 = 82,937.40/x
  3. Step 3: Cross multiply
    112,636.84x = 169,173.96 × 82,937.40
  4. Step 4: Simplify right side
    112,636.84x = 14,030,848,390.10
  5. Step 5: Solve for x
    x = 14,030,848,390.10/112,636.84
  6. Step 6: Final answer
    x = 124,567.13

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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.