Home / 279,352.12-385,505.94-152,024.92

Finding the Fourth Proportional to 279,352.12, 385,505.94 and 152,024.92

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Solution

The fourth proportional to 279,352.12, 385,505.94 and 152,024.92 is: 209,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,352.12 : 385,505.94 = 152,024.92 : x
  2. Step 2: Convert to fraction form
    279,352.12/385,505.94 = 152,024.92/x
  3. Step 3: Cross multiply
    279,352.12x = 385,505.94 × 152,024.92
  4. Step 4: Simplify right side
    279,352.12x = 58,606,509,688.02
  5. Step 5: Solve for x
    x = 58,606,509,688.02/279,352.12
  6. Step 6: Final answer
    x = 209,794.40

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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.