Home / 179,510.11-247,725.65-98,940.71

Finding the Fourth Proportional to 179,510.11, 247,725.65 and 98,940.71

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Solution

The fourth proportional to 179,510.11, 247,725.65 and 98,940.71 is: 136,539.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,510.11 : 247,725.65 = 98,940.71 : x
  2. Step 2: Convert to fraction form
    179,510.11/247,725.65 = 98,940.71/x
  3. Step 3: Cross multiply
    179,510.11x = 247,725.65 × 98,940.71
  4. Step 4: Simplify right side
    179,510.11x = 24,510,152,562.88
  5. Step 5: Solve for x
    x = 24,510,152,562.88/179,510.11
  6. Step 6: Final answer
    x = 136,539.12

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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.