Home / 316,742.94-474,780.69-116,935.38

Finding the Fourth Proportional to 316,742.94, 474,780.69 and 116,935.38

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Solution

The fourth proportional to 316,742.94, 474,780.69 and 116,935.38 is: 175,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,742.94 : 474,780.69 = 116,935.38 : x
  2. Step 2: Convert to fraction form
    316,742.94/474,780.69 = 116,935.38/x
  3. Step 3: Cross multiply
    316,742.94x = 474,780.69 × 116,935.38
  4. Step 4: Simplify right side
    316,742.94x = 55,518,660,401.81
  5. Step 5: Solve for x
    x = 55,518,660,401.81/316,742.94
  6. Step 6: Final answer
    x = 175,279.87

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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.