Home / 127,073.34-190,355.85-76,444.47

Finding the Fourth Proportional to 127,073.34, 190,355.85 and 76,444.47

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Solution

The fourth proportional to 127,073.34, 190,355.85 and 76,444.47 is: 114,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,073.34 : 190,355.85 = 76,444.47 : x
  2. Step 2: Convert to fraction form
    127,073.34/190,355.85 = 76,444.47/x
  3. Step 3: Cross multiply
    127,073.34x = 190,355.85 × 76,444.47
  4. Step 4: Simplify right side
    127,073.34x = 14,551,652,064.65
  5. Step 5: Solve for x
    x = 14,551,652,064.65/127,073.34
  6. Step 6: Final answer
    x = 114,513.81

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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.