Home / 319,298.23-478,502.52-161,342.29

Finding the Fourth Proportional to 319,298.23, 478,502.52 and 161,342.29

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Solution

The fourth proportional to 319,298.23, 478,502.52 and 161,342.29 is: 241,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,298.23 : 478,502.52 = 161,342.29 : x
  2. Step 2: Convert to fraction form
    319,298.23/478,502.52 = 161,342.29/x
  3. Step 3: Cross multiply
    319,298.23x = 478,502.52 × 161,342.29
  4. Step 4: Simplify right side
    319,298.23x = 77,202,692,347.57
  5. Step 5: Solve for x
    x = 77,202,692,347.57/319,298.23
  6. Step 6: Final answer
    x = 241,788.66

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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.