Home / 279,336.06-385,483.05-152,011.62

Finding the Fourth Proportional to 279,336.06, 385,483.05 and 152,011.62

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Solution

The fourth proportional to 279,336.06, 385,483.05 and 152,011.62 is: 209,775.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,336.06 : 385,483.05 = 152,011.62 : x
  2. Step 2: Convert to fraction form
    279,336.06/385,483.05 = 152,011.62/x
  3. Step 3: Cross multiply
    279,336.06x = 385,483.05 × 152,011.62
  4. Step 4: Simplify right side
    279,336.06x = 58,597,902,913.04
  5. Step 5: Solve for x
    x = 58,597,902,913.04/279,336.06
  6. Step 6: Final answer
    x = 209,775.65

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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.