Home / 128,946.87-193,411.16-34,174.95

Finding the Fourth Proportional to 128,946.87, 193,411.16 and 34,174.95

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Solution

The fourth proportional to 128,946.87, 193,411.16 and 34,174.95 is: 51,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,946.87 : 193,411.16 = 34,174.95 : x
  2. Step 2: Convert to fraction form
    128,946.87/193,411.16 = 34,174.95/x
  3. Step 3: Cross multiply
    128,946.87x = 193,411.16 × 34,174.95
  4. Step 4: Simplify right side
    128,946.87x = 6,609,816,722.44
  5. Step 5: Solve for x
    x = 6,609,816,722.44/128,946.87
  6. Step 6: Final answer
    x = 51,260.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.