Home / 127,288.50-190,884.75-102,267.06

Finding the Fourth Proportional to 127,288.50, 190,884.75 and 102,267.06

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Solution

The fourth proportional to 127,288.50, 190,884.75 and 102,267.06 is: 153,362.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,288.50 : 190,884.75 = 102,267.06 : x
  2. Step 2: Convert to fraction form
    127,288.50/190,884.75 = 102,267.06/x
  3. Step 3: Cross multiply
    127,288.50x = 190,884.75 × 102,267.06
  4. Step 4: Simplify right side
    127,288.50x = 19,521,222,181.34
  5. Step 5: Solve for x
    x = 19,521,222,181.34/127,288.50
  6. Step 6: Final answer
    x = 153,362.03

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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.