Home / 320,927.13-442,877.88-173,752.07

Finding the Fourth Proportional to 320,927.13, 442,877.88 and 173,752.07

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Solution

The fourth proportional to 320,927.13, 442,877.88 and 173,752.07 is: 239,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,927.13 : 442,877.88 = 173,752.07 : x
  2. Step 2: Convert to fraction form
    320,927.13/442,877.88 = 173,752.07/x
  3. Step 3: Cross multiply
    320,927.13x = 442,877.88 × 173,752.07
  4. Step 4: Simplify right side
    320,927.13x = 76,950,946,192.82
  5. Step 5: Solve for x
    x = 76,950,946,192.82/320,927.13
  6. Step 6: Final answer
    x = 239,777.01

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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.