Home / 302,581.56-417,588.30-166,641.96

Finding the Fourth Proportional to 302,581.56, 417,588.30 and 166,641.96

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Solution

The fourth proportional to 302,581.56, 417,588.30 and 166,641.96 is: 229,980.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,581.56 : 417,588.30 = 166,641.96 : x
  2. Step 2: Convert to fraction form
    302,581.56/417,588.30 = 166,641.96/x
  3. Step 3: Cross multiply
    302,581.56x = 417,588.30 × 166,641.96
  4. Step 4: Simplify right side
    302,581.56x = 69,587,732,785.07
  5. Step 5: Solve for x
    x = 69,587,732,785.07/302,581.56
  6. Step 6: Final answer
    x = 229,980.08

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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.