Home / 193,748.48-290,625.60-127,612.16

Finding the Fourth Proportional to 193,748.48, 290,625.60 and 127,612.16

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Solution

The fourth proportional to 193,748.48, 290,625.60 and 127,612.16 is: 191,420.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,748.48 : 290,625.60 = 127,612.16 : x
  2. Step 2: Convert to fraction form
    193,748.48/290,625.60 = 127,612.16/x
  3. Step 3: Cross multiply
    193,748.48x = 290,625.60 × 127,612.16
  4. Step 4: Simplify right side
    193,748.48x = 37,087,360,567.30
  5. Step 5: Solve for x
    x = 37,087,360,567.30/193,748.48
  6. Step 6: Final answer
    x = 191,420.14

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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.