Home / 401,832.91-602,330.16-135,501.85

Finding the Fourth Proportional to 401,832.91, 602,330.16 and 135,501.85

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Solution

The fourth proportional to 401,832.91, 602,330.16 and 135,501.85 is: 203,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,832.91 : 602,330.16 = 135,501.85 : x
  2. Step 2: Convert to fraction form
    401,832.91/602,330.16 = 135,501.85/x
  3. Step 3: Cross multiply
    401,832.91x = 602,330.16 × 135,501.85
  4. Step 4: Simplify right side
    401,832.91x = 81,616,849,993.10
  5. Step 5: Solve for x
    x = 81,616,849,993.10/401,832.91
  6. Step 6: Final answer
    x = 203,111.41

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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.