Home / 218,066.11-300,887.13-127,404.57

Finding the Fourth Proportional to 218,066.11, 300,887.13 and 127,404.57

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Solution

The fourth proportional to 218,066.11, 300,887.13 and 127,404.57 is: 175,792.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,066.11 : 300,887.13 = 127,404.57 : x
  2. Step 2: Convert to fraction form
    218,066.11/300,887.13 = 127,404.57/x
  3. Step 3: Cross multiply
    218,066.11x = 300,887.13 × 127,404.57
  4. Step 4: Simplify right side
    218,066.11x = 38,334,395,416.18
  5. Step 5: Solve for x
    x = 38,334,395,416.18/218,066.11
  6. Step 6: Final answer
    x = 175,792.54

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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.