Home / 127,092.28-190,639.70-38,346.52

Finding the Fourth Proportional to 127,092.28, 190,639.70 and 38,346.52

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Solution

The fourth proportional to 127,092.28, 190,639.70 and 38,346.52 is: 57,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,092.28 : 190,639.70 = 38,346.52 : x
  2. Step 2: Convert to fraction form
    127,092.28/190,639.70 = 38,346.52/x
  3. Step 3: Cross multiply
    127,092.28x = 190,639.70 × 38,346.52
  4. Step 4: Simplify right side
    127,092.28x = 7,310,369,068.84
  5. Step 5: Solve for x
    x = 7,310,369,068.84/127,092.28
  6. Step 6: Final answer
    x = 57,520.17

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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.