Home / 331,633.37-457,666.30-188,417.68

Finding the Fourth Proportional to 331,633.37, 457,666.30 and 188,417.68

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Solution

The fourth proportional to 331,633.37, 457,666.30 and 188,417.68 is: 260,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,633.37 : 457,666.30 = 188,417.68 : x
  2. Step 2: Convert to fraction form
    331,633.37/457,666.30 = 188,417.68/x
  3. Step 3: Cross multiply
    331,633.37x = 457,666.30 × 188,417.68
  4. Step 4: Simplify right side
    331,633.37x = 86,232,421,551.54
  5. Step 5: Solve for x
    x = 86,232,421,551.54/331,633.37
  6. Step 6: Final answer
    x = 260,023.35

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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.