Home / 319,533.21-440,953.07-176,294.61

Finding the Fourth Proportional to 319,533.21, 440,953.07 and 176,294.61

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Solution

The fourth proportional to 319,533.21, 440,953.07 and 176,294.61 is: 243,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,533.21 : 440,953.07 = 176,294.61 : x
  2. Step 2: Convert to fraction form
    319,533.21/440,953.07 = 176,294.61/x
  3. Step 3: Cross multiply
    319,533.21x = 440,953.07 × 176,294.61
  4. Step 4: Simplify right side
    319,533.21x = 77,737,648,622.48
  5. Step 5: Solve for x
    x = 77,737,648,622.48/319,533.21
  6. Step 6: Final answer
    x = 243,285.04

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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.