Home / 170,117.40-234,787.77-102,171.72

Finding the Fourth Proportional to 170,117.40, 234,787.77 and 102,171.72

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Solution

The fourth proportional to 170,117.40, 234,787.77 and 102,171.72 is: 141,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,117.40 : 234,787.77 = 102,171.72 : x
  2. Step 2: Convert to fraction form
    170,117.40/234,787.77 = 102,171.72/x
  3. Step 3: Cross multiply
    170,117.40x = 234,787.77 × 102,171.72
  4. Step 4: Simplify right side
    170,117.40x = 23,988,670,295.86
  5. Step 5: Solve for x
    x = 23,988,670,295.86/170,117.40
  6. Step 6: Final answer
    x = 141,012.44

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1.5x scale

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.