Home / 193,302.18-289,883.75-66,908.16

Finding the Fourth Proportional to 193,302.18, 289,883.75 and 66,908.16

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Solution

The fourth proportional to 193,302.18, 289,883.75 and 66,908.16 is: 100,338.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,302.18 : 289,883.75 = 66,908.16 : x
  2. Step 2: Convert to fraction form
    193,302.18/289,883.75 = 66,908.16/x
  3. Step 3: Cross multiply
    193,302.18x = 289,883.75 × 66,908.16
  4. Step 4: Simplify right side
    193,302.18x = 19,395,587,991.86
  5. Step 5: Solve for x
    x = 19,395,587,991.86/193,302.18
  6. Step 6: Final answer
    x = 100,338.18

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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.