Home / 401,832.12-602,328.92-135,501.06

Finding the Fourth Proportional to 401,832.12, 602,328.92 and 135,501.06

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Solution

The fourth proportional to 401,832.12, 602,328.92 and 135,501.06 is: 203,110.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,832.12 : 602,328.92 = 135,501.06 : x
  2. Step 2: Convert to fraction form
    401,832.12/602,328.92 = 135,501.06/x
  3. Step 3: Cross multiply
    401,832.12x = 602,328.92 × 135,501.06
  4. Step 4: Simplify right side
    401,832.12x = 81,616,207,128.66
  5. Step 5: Solve for x
    x = 81,616,207,128.66/401,832.12
  6. Step 6: Final answer
    x = 203,110.21

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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.