Home / 127,329.84-175,725.64-82,101.97

Finding the Fourth Proportional to 127,329.84, 175,725.64 and 82,101.97

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Solution

The fourth proportional to 127,329.84, 175,725.64 and 82,101.97 is: 113,307.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,329.84 : 175,725.64 = 82,101.97 : x
  2. Step 2: Convert to fraction form
    127,329.84/175,725.64 = 82,101.97/x
  3. Step 3: Cross multiply
    127,329.84x = 175,725.64 × 82,101.97
  4. Step 4: Simplify right side
    127,329.84x = 14,427,421,223.51
  5. Step 5: Solve for x
    x = 14,427,421,223.51/127,329.84
  6. Step 6: Final answer
    x = 113,307.46

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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.