Home / 402,739.20-604,181.64-165,950.16

Finding the Fourth Proportional to 402,739.20, 604,181.64 and 165,950.16

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Solution

The fourth proportional to 402,739.20, 604,181.64 and 165,950.16 is: 248,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,739.20 : 604,181.64 = 165,950.16 : x
  2. Step 2: Convert to fraction form
    402,739.20/604,181.64 = 165,950.16/x
  3. Step 3: Cross multiply
    402,739.20x = 604,181.64 × 165,950.16
  4. Step 4: Simplify right side
    402,739.20x = 100,264,039,827.06
  5. Step 5: Solve for x
    x = 100,264,039,827.06/402,739.20
  6. Step 6: Final answer
    x = 248,955.25

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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.