Home / 316,629.15-436,935.11-173,386.73

Finding the Fourth Proportional to 316,629.15, 436,935.11 and 173,386.73

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Solution

The fourth proportional to 316,629.15, 436,935.11 and 173,386.73 is: 239,266.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,629.15 : 436,935.11 = 173,386.73 : x
  2. Step 2: Convert to fraction form
    316,629.15/436,935.11 = 173,386.73/x
  3. Step 3: Cross multiply
    316,629.15x = 436,935.11 × 173,386.73
  4. Step 4: Simplify right side
    316,629.15x = 75,758,746,893.48
  5. Step 5: Solve for x
    x = 75,758,746,893.48/316,629.15
  6. Step 6: Final answer
    x = 239,266.49

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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.