Home / 127,985.34-176,619.51-71,393.34

Finding the Fourth Proportional to 127,985.34, 176,619.51 and 71,393.34

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Solution

The fourth proportional to 127,985.34, 176,619.51 and 71,393.34 is: 98,522.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,985.34 : 176,619.51 = 71,393.34 : x
  2. Step 2: Convert to fraction form
    127,985.34/176,619.51 = 71,393.34/x
  3. Step 3: Cross multiply
    127,985.34x = 176,619.51 × 71,393.34
  4. Step 4: Simplify right side
    127,985.34x = 12,609,456,728.06
  5. Step 5: Solve for x
    x = 12,609,456,728.06/127,985.34
  6. Step 6: Final answer
    x = 98,522.66

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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.