Home / 403,209.93-604,739.55-163,260.39

Finding the Fourth Proportional to 403,209.93, 604,739.55 and 163,260.39

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Solution

The fourth proportional to 403,209.93, 604,739.55 and 163,260.39 is: 244,860.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,209.93 : 604,739.55 = 163,260.39 : x
  2. Step 2: Convert to fraction form
    403,209.93/604,739.55 = 163,260.39/x
  3. Step 3: Cross multiply
    403,209.93x = 604,739.55 × 163,260.39
  4. Step 4: Simplify right side
    403,209.93x = 98,730,017,661.42
  5. Step 5: Solve for x
    x = 98,730,017,661.42/403,209.93
  6. Step 6: Final answer
    x = 244,860.08

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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.