Home / 302,193.18-417,013.76-166,218.51

Finding the Fourth Proportional to 302,193.18, 417,013.76 and 166,218.51

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Solution

The fourth proportional to 302,193.18, 417,013.76 and 166,218.51 is: 229,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,193.18 : 417,013.76 = 166,218.51 : x
  2. Step 2: Convert to fraction form
    302,193.18/417,013.76 = 166,218.51/x
  3. Step 3: Cross multiply
    302,193.18x = 417,013.76 × 166,218.51
  4. Step 4: Simplify right side
    302,193.18x = 69,315,405,005.61
  5. Step 5: Solve for x
    x = 69,315,405,005.61/302,193.18
  6. Step 6: Final answer
    x = 229,374.48

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1.5x scale

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.