Home / 136,014.24-187,705.28-75,584.64

Finding the Fourth Proportional to 136,014.24, 187,705.28 and 75,584.64

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Solution

The fourth proportional to 136,014.24, 187,705.28 and 75,584.64 is: 104,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,014.24 : 187,705.28 = 75,584.64 : x
  2. Step 2: Convert to fraction form
    136,014.24/187,705.28 = 75,584.64/x
  3. Step 3: Cross multiply
    136,014.24x = 187,705.28 × 75,584.64
  4. Step 4: Simplify right side
    136,014.24x = 14,187,636,014.90
  5. Step 5: Solve for x
    x = 14,187,636,014.90/136,014.24
  6. Step 6: Final answer
    x = 104,309.93

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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.