Home / 331,267.04-456,689.16-223,666.64

Finding the Fourth Proportional to 331,267.04, 456,689.16 and 223,666.64

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Solution

The fourth proportional to 331,267.04, 456,689.16 and 223,666.64 is: 308,349.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,267.04 : 456,689.16 = 223,666.64 : x
  2. Step 2: Convert to fraction form
    331,267.04/456,689.16 = 223,666.64/x
  3. Step 3: Cross multiply
    331,267.04x = 456,689.16 × 223,666.64
  4. Step 4: Simplify right side
    331,267.04x = 102,146,129,941.62
  5. Step 5: Solve for x
    x = 102,146,129,941.62/331,267.04
  6. Step 6: Final answer
    x = 308,349.81

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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.