Home / 460,043.65-690,093.03-144,500.55

Finding the Fourth Proportional to 460,043.65, 690,093.03 and 144,500.55

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Solution

The fourth proportional to 460,043.65, 690,093.03 and 144,500.55 is: 216,759.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,043.65 : 690,093.03 = 144,500.55 : x
  2. Step 2: Convert to fraction form
    460,043.65/690,093.03 = 144,500.55/x
  3. Step 3: Cross multiply
    460,043.65x = 690,093.03 × 144,500.55
  4. Step 4: Simplify right side
    460,043.65x = 99,718,818,935.70
  5. Step 5: Solve for x
    x = 99,718,818,935.70/460,043.65
  6. Step 6: Final answer
    x = 216,759.47

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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.