Home / 466,168.07-643,129.75-262,172.21

Finding the Fourth Proportional to 466,168.07, 643,129.75 and 262,172.21

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Solution

The fourth proportional to 466,168.07, 643,129.75 and 262,172.21 is: 361,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,168.07 : 643,129.75 = 262,172.21 : x
  2. Step 2: Convert to fraction form
    466,168.07/643,129.75 = 262,172.21/x
  3. Step 3: Cross multiply
    466,168.07x = 643,129.75 × 262,172.21
  4. Step 4: Simplify right side
    466,168.07x = 168,610,744,986.31
  5. Step 5: Solve for x
    x = 168,610,744,986.31/466,168.07
  6. Step 6: Final answer
    x = 361,695.18

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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.