Home / 358,996.17-495,499.14-223,132.73

Finding the Fourth Proportional to 358,996.17, 495,499.14 and 223,132.73

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Solution

The fourth proportional to 358,996.17, 495,499.14 and 223,132.73 is: 307,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,996.17 : 495,499.14 = 223,132.73 : x
  2. Step 2: Convert to fraction form
    358,996.17/495,499.14 = 223,132.73/x
  3. Step 3: Cross multiply
    358,996.17x = 495,499.14 × 223,132.73
  4. Step 4: Simplify right side
    358,996.17x = 110,562,075,820.85
  5. Step 5: Solve for x
    x = 110,562,075,820.85/358,996.17
  6. Step 6: Final answer
    x = 307,975.64

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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.