Home / 279,341.70-385,533.05-164,583.65

Finding the Fourth Proportional to 279,341.70, 385,533.05 and 164,583.65

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Solution

The fourth proportional to 279,341.70, 385,533.05 and 164,583.65 is: 227,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,341.70 : 385,533.05 = 164,583.65 : x
  2. Step 2: Convert to fraction form
    279,341.70/385,533.05 = 164,583.65/x
  3. Step 3: Cross multiply
    279,341.70x = 385,533.05 × 164,583.65
  4. Step 4: Simplify right side
    279,341.70x = 63,452,436,705.55
  5. Step 5: Solve for x
    x = 63,452,436,705.55/279,341.70
  6. Step 6: Final answer
    x = 227,149.89

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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.