Home / 193,620.30-290,430.45-127,265.10

Finding the Fourth Proportional to 193,620.30, 290,430.45 and 127,265.10

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Solution

The fourth proportional to 193,620.30, 290,430.45 and 127,265.10 is: 190,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,620.30 : 290,430.45 = 127,265.10 : x
  2. Step 2: Convert to fraction form
    193,620.30/290,430.45 = 127,265.10/x
  3. Step 3: Cross multiply
    193,620.30x = 290,430.45 × 127,265.10
  4. Step 4: Simplify right side
    193,620.30x = 36,961,660,262.30
  5. Step 5: Solve for x
    x = 36,961,660,262.30/193,620.30
  6. Step 6: Final answer
    x = 190,897.65

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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.