Home / 199,661.90-275,534.76-109,018.49

Finding the Fourth Proportional to 199,661.90, 275,534.76 and 109,018.49

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Solution

The fourth proportional to 199,661.90, 275,534.76 and 109,018.49 is: 150,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,661.90 : 275,534.76 = 109,018.49 : x
  2. Step 2: Convert to fraction form
    199,661.90/275,534.76 = 109,018.49/x
  3. Step 3: Cross multiply
    199,661.90x = 275,534.76 × 109,018.49
  4. Step 4: Simplify right side
    199,661.90x = 30,038,383,445.51
  5. Step 5: Solve for x
    x = 30,038,383,445.51/199,661.90
  6. Step 6: Final answer
    x = 150,446.25

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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.