Home / 216,834.66-299,174.94-124,931.43

Finding the Fourth Proportional to 216,834.66, 299,174.94 and 124,931.43

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Solution

The fourth proportional to 216,834.66, 299,174.94 and 124,931.43 is: 172,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,834.66 : 299,174.94 = 124,931.43 : x
  2. Step 2: Convert to fraction form
    216,834.66/299,174.94 = 124,931.43/x
  3. Step 3: Cross multiply
    216,834.66x = 299,174.94 × 124,931.43
  4. Step 4: Simplify right side
    216,834.66x = 37,376,353,074.36
  5. Step 5: Solve for x
    x = 37,376,353,074.36/216,834.66
  6. Step 6: Final answer
    x = 172,372.60

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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.