Home / 170,965.84-235,965.44-112,720.30

Finding the Fourth Proportional to 170,965.84, 235,965.44 and 112,720.30

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Solution

The fourth proportional to 170,965.84, 235,965.44 and 112,720.30 is: 155,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,965.84 : 235,965.44 = 112,720.30 : x
  2. Step 2: Convert to fraction form
    170,965.84/235,965.44 = 112,720.30/x
  3. Step 3: Cross multiply
    170,965.84x = 235,965.44 × 112,720.30
  4. Step 4: Simplify right side
    170,965.84x = 26,598,095,186.43
  5. Step 5: Solve for x
    x = 26,598,095,186.43/170,965.84
  6. Step 6: Final answer
    x = 155,575.50

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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.