Home / 316,119.39-474,178.55-147,583.23

Finding the Fourth Proportional to 316,119.39, 474,178.55 and 147,583.23

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Solution

The fourth proportional to 316,119.39, 474,178.55 and 147,583.23 is: 221,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,119.39 : 474,178.55 = 147,583.23 : x
  2. Step 2: Convert to fraction form
    316,119.39/474,178.55 = 147,583.23/x
  3. Step 3: Cross multiply
    316,119.39x = 474,178.55 × 147,583.23
  4. Step 4: Simplify right side
    316,119.39x = 69,980,801,267.80
  5. Step 5: Solve for x
    x = 69,980,801,267.80/316,119.39
  6. Step 6: Final answer
    x = 221,374.59

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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.