Home / 320,929.42-442,889.51-175,741.33

Finding the Fourth Proportional to 320,929.42, 442,889.51 and 175,741.33

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Solution

The fourth proportional to 320,929.42, 442,889.51 and 175,741.33 is: 242,526.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,929.42 : 442,889.51 = 175,741.33 : x
  2. Step 2: Convert to fraction form
    320,929.42/442,889.51 = 175,741.33/x
  3. Step 3: Cross multiply
    320,929.42x = 442,889.51 × 175,741.33
  4. Step 4: Simplify right side
    320,929.42x = 77,833,990,651.74
  5. Step 5: Solve for x
    x = 77,833,990,651.74/320,929.42
  6. Step 6: Final answer
    x = 242,526.82

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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.