Home / 267,986.16-401,453.82-155,429.91

Finding the Fourth Proportional to 267,986.16, 401,453.82 and 155,429.91

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Solution

The fourth proportional to 267,986.16, 401,453.82 and 155,429.91 is: 232,840.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,986.16 : 401,453.82 = 155,429.91 : x
  2. Step 2: Convert to fraction form
    267,986.16/401,453.82 = 155,429.91/x
  3. Step 3: Cross multiply
    267,986.16x = 401,453.82 × 155,429.91
  4. Step 4: Simplify right side
    267,986.16x = 62,397,931,111.76
  5. Step 5: Solve for x
    x = 62,397,931,111.76/267,986.16
  6. Step 6: Final answer
    x = 232,840.13

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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.