Home / 302,769.12-417,853.98-166,816.74

Finding the Fourth Proportional to 302,769.12, 417,853.98 and 166,816.74

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Solution

The fourth proportional to 302,769.12, 417,853.98 and 166,816.74 is: 230,225.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,769.12 : 417,853.98 = 166,816.74 : x
  2. Step 2: Convert to fraction form
    302,769.12/417,853.98 = 166,816.74/x
  3. Step 3: Cross multiply
    302,769.12x = 417,853.98 × 166,816.74
  4. Step 4: Simplify right side
    302,769.12x = 69,705,038,739.63
  5. Step 5: Solve for x
    x = 69,705,038,739.63/302,769.12
  6. Step 6: Final answer
    x = 230,225.06

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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.