Home / 216,834.04-299,191.62-124,939

Finding the Fourth Proportional to 216,834.04, 299,191.62 and 124,939

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Solution

The fourth proportional to 216,834.04, 299,191.62 and 124,939 is: 172,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,834.04 : 299,191.62 = 124,939 : x
  2. Step 2: Convert to fraction form
    216,834.04/299,191.62 = 124,939/x
  3. Step 3: Cross multiply
    216,834.04x = 299,191.62 × 124,939
  4. Step 4: Simplify right side
    216,834.04x = 37,380,701,811.18
  5. Step 5: Solve for x
    x = 37,380,701,811.18/216,834.04
  6. Step 6: Final answer
    x = 172,393.14

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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.