Home / 218,130.17-327,195.86-118,337.36

Finding the Fourth Proportional to 218,130.17, 327,195.86 and 118,337.36

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Solution

The fourth proportional to 218,130.17, 327,195.86 and 118,337.36 is: 177,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,130.17 : 327,195.86 = 118,337.36 : x
  2. Step 2: Convert to fraction form
    218,130.17/327,195.86 = 118,337.36/x
  3. Step 3: Cross multiply
    218,130.17x = 327,195.86 × 118,337.36
  4. Step 4: Simplify right side
    218,130.17x = 38,719,492,047.66
  5. Step 5: Solve for x
    x = 38,719,492,047.66/218,130.17
  6. Step 6: Final answer
    x = 177,506.36

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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.