Home / 279,437.82-385,624.23-152,114.37

Finding the Fourth Proportional to 279,437.82, 385,624.23 and 152,114.37

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Solution

The fourth proportional to 279,437.82, 385,624.23 and 152,114.37 is: 209,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,437.82 : 385,624.23 = 152,114.37 : x
  2. Step 2: Convert to fraction form
    279,437.82/385,624.23 = 152,114.37/x
  3. Step 3: Cross multiply
    279,437.82x = 385,624.23 × 152,114.37
  4. Step 4: Simplify right side
    279,437.82x = 58,658,986,803.19
  5. Step 5: Solve for x
    x = 58,658,986,803.19/279,437.82
  6. Step 6: Final answer
    x = 209,917.85

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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.