Home / 267,637.15-369,338.70-154,459.90

Finding the Fourth Proportional to 267,637.15, 369,338.70 and 154,459.90

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Solution

The fourth proportional to 267,637.15, 369,338.70 and 154,459.90 is: 213,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,637.15 : 369,338.70 = 154,459.90 : x
  2. Step 2: Convert to fraction form
    267,637.15/369,338.70 = 154,459.90/x
  3. Step 3: Cross multiply
    267,637.15x = 369,338.70 × 154,459.90
  4. Step 4: Simplify right side
    267,637.15x = 57,048,018,668.13
  5. Step 5: Solve for x
    x = 57,048,018,668.13/267,637.15
  6. Step 6: Final answer
    x = 213,154.33

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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.