Home / 402,723.20-604,157.64-165,934.16

Finding the Fourth Proportional to 402,723.20, 604,157.64 and 165,934.16

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Solution

The fourth proportional to 402,723.20, 604,157.64 and 165,934.16 is: 248,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,723.20 : 604,157.64 = 165,934.16 : x
  2. Step 2: Convert to fraction form
    402,723.20/604,157.64 = 165,934.16/x
  3. Step 3: Cross multiply
    402,723.20x = 604,157.64 × 165,934.16
  4. Step 4: Simplify right side
    402,723.20x = 100,250,390,500.98
  5. Step 5: Solve for x
    x = 100,250,390,500.98/402,723.20
  6. Step 6: Final answer
    x = 248,931.25

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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.