Home / 319,931.84-441,485.28-176,683.36

Finding the Fourth Proportional to 319,931.84, 441,485.28 and 176,683.36

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Solution

The fourth proportional to 319,931.84, 441,485.28 and 176,683.36 is: 243,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,931.84 : 441,485.28 = 176,683.36 : x
  2. Step 2: Convert to fraction form
    319,931.84/441,485.28 = 176,683.36/x
  3. Step 3: Cross multiply
    319,931.84x = 441,485.28 × 176,683.36
  4. Step 4: Simplify right side
    319,931.84x = 78,003,102,660.94
  5. Step 5: Solve for x
    x = 78,003,102,660.94/319,931.84
  6. Step 6: Final answer
    x = 243,811.63

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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.