Home / 190,280.49-285,437.59-50,039.12

Finding the Fourth Proportional to 190,280.49, 285,437.59 and 50,039.12

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Solution

The fourth proportional to 190,280.49, 285,437.59 and 50,039.12 is: 75,063.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.49 : 285,437.59 = 50,039.12 : x
  2. Step 2: Convert to fraction form
    190,280.49/285,437.59 = 50,039.12/x
  3. Step 3: Cross multiply
    190,280.49x = 285,437.59 × 50,039.12
  4. Step 4: Simplify right side
    190,280.49x = 14,283,045,818.52
  5. Step 5: Solve for x
    x = 14,283,045,818.52/190,280.49
  6. Step 6: Final answer
    x = 75,063.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.