Home / 171,070.81-256,677.98-76,235.66

Finding the Fourth Proportional to 171,070.81, 256,677.98 and 76,235.66

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Solution

The fourth proportional to 171,070.81, 256,677.98 and 76,235.66 is: 114,385.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,070.81 : 256,677.98 = 76,235.66 : x
  2. Step 2: Convert to fraction form
    171,070.81/256,677.98 = 76,235.66/x
  3. Step 3: Cross multiply
    171,070.81x = 256,677.98 × 76,235.66
  4. Step 4: Simplify right side
    171,070.81x = 19,568,015,212.77
  5. Step 5: Solve for x
    x = 19,568,015,212.77/171,070.81
  6. Step 6: Final answer
    x = 114,385.47

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1.5x scale

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.