Home / 229,343.36-316,343.04-144,389.12

Finding the Fourth Proportional to 229,343.36, 316,343.04 and 144,389.12

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Solution

The fourth proportional to 229,343.36, 316,343.04 and 144,389.12 is: 199,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,343.36 : 316,343.04 = 144,389.12 : x
  2. Step 2: Convert to fraction form
    229,343.36/316,343.04 = 144,389.12/x
  3. Step 3: Cross multiply
    229,343.36x = 316,343.04 × 144,389.12
  4. Step 4: Simplify right side
    229,343.36x = 45,676,493,163.72
  5. Step 5: Solve for x
    x = 45,676,493,163.72/229,343.36
  6. Step 6: Final answer
    x = 199,162.05

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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.