Home / 331,868.54-457,977.75-180,965.54

Finding the Fourth Proportional to 331,868.54, 457,977.75 and 180,965.54

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Solution

The fourth proportional to 331,868.54, 457,977.75 and 180,965.54 is: 249,731.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,868.54 : 457,977.75 = 180,965.54 : x
  2. Step 2: Convert to fraction form
    331,868.54/457,977.75 = 180,965.54/x
  3. Step 3: Cross multiply
    331,868.54x = 457,977.75 × 180,965.54
  4. Step 4: Simplify right side
    331,868.54x = 82,878,191,303.06
  5. Step 5: Solve for x
    x = 82,878,191,303.06/331,868.54
  6. Step 6: Final answer
    x = 249,731.99

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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.