Home / 331,386.08-457,353.96-188,192.12

Finding the Fourth Proportional to 331,386.08, 457,353.96 and 188,192.12

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Solution

The fourth proportional to 331,386.08, 457,353.96 and 188,192.12 is: 259,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,386.08 : 457,353.96 = 188,192.12 : x
  2. Step 2: Convert to fraction form
    331,386.08/457,353.96 = 188,192.12/x
  3. Step 3: Cross multiply
    331,386.08x = 457,353.96 × 188,192.12
  4. Step 4: Simplify right side
    331,386.08x = 86,070,411,322.80
  5. Step 5: Solve for x
    x = 86,070,411,322.80/331,386.08
  6. Step 6: Final answer
    x = 259,728.51

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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.