Home / 292,451.16-403,589.34-165,127.80

Finding the Fourth Proportional to 292,451.16, 403,589.34 and 165,127.80

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Solution

The fourth proportional to 292,451.16, 403,589.34 and 165,127.80 is: 227,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,451.16 : 403,589.34 = 165,127.80 : x
  2. Step 2: Convert to fraction form
    292,451.16/403,589.34 = 165,127.80/x
  3. Step 3: Cross multiply
    292,451.16x = 403,589.34 × 165,127.80
  4. Step 4: Simplify right side
    292,451.16x = 66,643,819,817.65
  5. Step 5: Solve for x
    x = 66,643,819,817.65/292,451.16
  6. Step 6: Final answer
    x = 227,880.17

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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.