Home / 229,333.51-316,638.59-143,331.16

Finding the Fourth Proportional to 229,333.51, 316,638.59 and 143,331.16

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Solution

The fourth proportional to 229,333.51, 316,638.59 and 143,331.16 is: 197,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,333.51 : 316,638.59 = 143,331.16 : x
  2. Step 2: Convert to fraction form
    229,333.51/316,638.59 = 143,331.16/x
  3. Step 3: Cross multiply
    229,333.51x = 316,638.59 × 143,331.16
  4. Step 4: Simplify right side
    229,333.51x = 45,384,174,105.62
  5. Step 5: Solve for x
    x = 45,384,174,105.62/229,333.51
  6. Step 6: Final answer
    x = 197,895.96

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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.