Home / 257,226.24-385,695.12-176,264.64

Finding the Fourth Proportional to 257,226.24, 385,695.12 and 176,264.64

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Solution

The fourth proportional to 257,226.24, 385,695.12 and 176,264.64 is: 264,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,226.24 : 385,695.12 = 176,264.64 : x
  2. Step 2: Convert to fraction form
    257,226.24/385,695.12 = 176,264.64/x
  3. Step 3: Cross multiply
    257,226.24x = 385,695.12 × 176,264.64
  4. Step 4: Simplify right side
    257,226.24x = 67,984,411,476.56
  5. Step 5: Solve for x
    x = 67,984,411,476.56/257,226.24
  6. Step 6: Final answer
    x = 264,298.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.