Home / 302,430.90-417,351.33-166,461.93

Finding the Fourth Proportional to 302,430.90, 417,351.33 and 166,461.93

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Solution

The fourth proportional to 302,430.90, 417,351.33 and 166,461.93 is: 229,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,430.90 : 417,351.33 = 166,461.93 : x
  2. Step 2: Convert to fraction form
    302,430.90/417,351.33 = 166,461.93/x
  3. Step 3: Cross multiply
    302,430.90x = 417,351.33 × 166,461.93
  4. Step 4: Simplify right side
    302,430.90x = 69,473,107,879.87
  5. Step 5: Solve for x
    x = 69,473,107,879.87/302,430.90
  6. Step 6: Final answer
    x = 229,715.64

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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.