Home / 170,820.11-256,203.88-56,969.92

Finding the Fourth Proportional to 170,820.11, 256,203.88 and 56,969.92

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Solution

The fourth proportional to 170,820.11, 256,203.88 and 56,969.92 is: 85,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,820.11 : 256,203.88 = 56,969.92 : x
  2. Step 2: Convert to fraction form
    170,820.11/256,203.88 = 56,969.92/x
  3. Step 3: Cross multiply
    170,820.11x = 256,203.88 × 56,969.92
  4. Step 4: Simplify right side
    170,820.11x = 14,595,914,547.29
  5. Step 5: Solve for x
    x = 14,595,914,547.29/170,820.11
  6. Step 6: Final answer
    x = 85,446.11

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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.