Home / 302,515.18-417,455.10-166,522.57

Finding the Fourth Proportional to 302,515.18, 417,455.10 and 166,522.57

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Solution

The fourth proportional to 302,515.18, 417,455.10 and 166,522.57 is: 229,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515.18 : 417,455.10 = 166,522.57 : x
  2. Step 2: Convert to fraction form
    302,515.18/417,455.10 = 166,522.57/x
  3. Step 3: Cross multiply
    302,515.18x = 417,455.10 × 166,522.57
  4. Step 4: Simplify right side
    302,515.18x = 69,515,696,111.61
  5. Step 5: Solve for x
    x = 69,515,696,111.61/302,515.18
  6. Step 6: Final answer
    x = 229,792.42

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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.