Home / 279,449.94-385,639.00-152,125.23

Finding the Fourth Proportional to 279,449.94, 385,639.00 and 152,125.23

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Solution

The fourth proportional to 279,449.94, 385,639.00 and 152,125.23 is: 209,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,449.94 : 385,639.00 = 152,125.23 : x
  2. Step 2: Convert to fraction form
    279,449.94/385,639.00 = 152,125.23/x
  3. Step 3: Cross multiply
    279,449.94x = 385,639.00 × 152,125.23
  4. Step 4: Simplify right side
    279,449.94x = 58,665,421,191.66
  5. Step 5: Solve for x
    x = 58,665,421,191.66/279,449.94
  6. Step 6: Final answer
    x = 209,931.77

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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.