Home / 127,186.22-175,467.03-76,201.10

Finding the Fourth Proportional to 127,186.22, 175,467.03 and 76,201.10

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Solution

The fourth proportional to 127,186.22, 175,467.03 and 76,201.10 is: 105,127.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186.22 : 175,467.03 = 76,201.10 : x
  2. Step 2: Convert to fraction form
    127,186.22/175,467.03 = 76,201.10/x
  3. Step 3: Cross multiply
    127,186.22x = 175,467.03 × 76,201.10
  4. Step 4: Simplify right side
    127,186.22x = 13,370,779,822.40
  5. Step 5: Solve for x
    x = 13,370,779,822.40/127,186.22
  6. Step 6: Final answer
    x = 105,127.59

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1.5x scale

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.