Home / 127,300.17-175,529.29-81,297.84

Finding the Fourth Proportional to 127,300.17, 175,529.29 and 81,297.84

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Solution

The fourth proportional to 127,300.17, 175,529.29 and 81,297.84 is: 112,098.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,300.17 : 175,529.29 = 81,297.84 : x
  2. Step 2: Convert to fraction form
    127,300.17/175,529.29 = 81,297.84/x
  3. Step 3: Cross multiply
    127,300.17x = 175,529.29 × 81,297.84
  4. Step 4: Simplify right side
    127,300.17x = 14,270,152,133.73
  5. Step 5: Solve for x
    x = 14,270,152,133.73/127,300.17
  6. Step 6: Final answer
    x = 112,098.45

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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.