Home / 127,084.61-190,628.28-38,338.88

Finding the Fourth Proportional to 127,084.61, 190,628.28 and 38,338.88

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Solution

The fourth proportional to 127,084.61, 190,628.28 and 38,338.88 is: 57,508.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,084.61 : 190,628.28 = 38,338.88 : x
  2. Step 2: Convert to fraction form
    127,084.61/190,628.28 = 38,338.88/x
  3. Step 3: Cross multiply
    127,084.61x = 190,628.28 × 38,338.88
  4. Step 4: Simplify right side
    127,084.61x = 7,308,474,369.47
  5. Step 5: Solve for x
    x = 7,308,474,369.47/127,084.61
  6. Step 6: Final answer
    x = 57,508.73

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1.5x scale

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.