Home / 317,564.28-438,236.94-174,326.76

Finding the Fourth Proportional to 317,564.28, 438,236.94 and 174,326.76

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Solution

The fourth proportional to 317,564.28, 438,236.94 and 174,326.76 is: 240,569.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,564.28 : 438,236.94 = 174,326.76 : x
  2. Step 2: Convert to fraction form
    317,564.28/438,236.94 = 174,326.76/x
  3. Step 3: Cross multiply
    317,564.28x = 438,236.94 × 174,326.76
  4. Step 4: Simplify right side
    317,564.28x = 76,396,425,862.51
  5. Step 5: Solve for x
    x = 76,396,425,862.51/317,564.28
  6. Step 6: Final answer
    x = 240,569.96

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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.