Home / 319,243.47-440,558.96-176,008.63

Finding the Fourth Proportional to 319,243.47, 440,558.96 and 176,008.63

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Solution

The fourth proportional to 319,243.47, 440,558.96 and 176,008.63 is: 242,893.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,243.47 : 440,558.96 = 176,008.63 : x
  2. Step 2: Convert to fraction form
    319,243.47/440,558.96 = 176,008.63/x
  3. Step 3: Cross multiply
    319,243.47x = 440,558.96 × 176,008.63
  4. Step 4: Simplify right side
    319,243.47x = 77,542,178,983.82
  5. Step 5: Solve for x
    x = 77,542,178,983.82/319,243.47
  6. Step 6: Final answer
    x = 242,893.55

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1.5x scale

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.