Home / 302,769.16-417,854.28-166,817.05

Finding the Fourth Proportional to 302,769.16, 417,854.28 and 166,817.05

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Solution

The fourth proportional to 302,769.16, 417,854.28 and 166,817.05 is: 230,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,769.16 : 417,854.28 = 166,817.05 : x
  2. Step 2: Convert to fraction form
    302,769.16/417,854.28 = 166,817.05/x
  3. Step 3: Cross multiply
    302,769.16x = 417,854.28 × 166,817.05
  4. Step 4: Simplify right side
    302,769.16x = 69,705,218,319.47
  5. Step 5: Solve for x
    x = 69,705,218,319.47/302,769.16
  6. Step 6: Final answer
    x = 230,225.62

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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.