Home / 229,311.11-316,438.69-127,343.04

Finding the Fourth Proportional to 229,311.11, 316,438.69 and 127,343.04

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Solution

The fourth proportional to 229,311.11, 316,438.69 and 127,343.04 is: 175,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,311.11 : 316,438.69 = 127,343.04 : x
  2. Step 2: Convert to fraction form
    229,311.11/316,438.69 = 127,343.04/x
  3. Step 3: Cross multiply
    229,311.11x = 316,438.69 × 127,343.04
  4. Step 4: Simplify right side
    229,311.11x = 40,296,264,758.22
  5. Step 5: Solve for x
    x = 40,296,264,758.22/229,311.11
  6. Step 6: Final answer
    x = 175,727.49

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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.