Home / 127,444.34-190,904.00-74,726.70

Finding the Fourth Proportional to 127,444.34, 190,904.00 and 74,726.70

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Solution

The fourth proportional to 127,444.34, 190,904.00 and 74,726.70 is: 111,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,444.34 : 190,904.00 = 74,726.70 : x
  2. Step 2: Convert to fraction form
    127,444.34/190,904.00 = 74,726.70/x
  3. Step 3: Cross multiply
    127,444.34x = 190,904.00 × 74,726.70
  4. Step 4: Simplify right side
    127,444.34x = 14,265,625,563.17
  5. Step 5: Solve for x
    x = 14,265,625,563.17/127,444.34
  6. Step 6: Final answer
    x = 111,936.13

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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.