Home / 319,941.15-441,510.30-176,698.11

Finding the Fourth Proportional to 319,941.15, 441,510.30 and 176,698.11

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Solution

The fourth proportional to 319,941.15, 441,510.30 and 176,698.11 is: 243,838.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,941.15 : 441,510.30 = 176,698.11 : x
  2. Step 2: Convert to fraction form
    319,941.15/441,510.30 = 176,698.11/x
  3. Step 3: Cross multiply
    319,941.15x = 441,510.30 × 176,698.11
  4. Step 4: Simplify right side
    319,941.15x = 78,014,035,555.53
  5. Step 5: Solve for x
    x = 78,014,035,555.53/319,941.15
  6. Step 6: Final answer
    x = 243,838.70

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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.