Home / 127,705.84-176,229.94-76,022.74

Finding the Fourth Proportional to 127,705.84, 176,229.94 and 76,022.74

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Solution

The fourth proportional to 127,705.84, 176,229.94 and 76,022.74 is: 104,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,705.84 : 176,229.94 = 76,022.74 : x
  2. Step 2: Convert to fraction form
    127,705.84/176,229.94 = 76,022.74/x
  3. Step 3: Cross multiply
    127,705.84x = 176,229.94 × 76,022.74
  4. Step 4: Simplify right side
    127,705.84x = 13,397,482,908.84
  5. Step 5: Solve for x
    x = 13,397,482,908.84/127,705.84
  6. Step 6: Final answer
    x = 104,908.93

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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.