Home / 190,056.74-285,004.79-56,955.94

Finding the Fourth Proportional to 190,056.74, 285,004.79 and 56,955.94

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Solution

The fourth proportional to 190,056.74, 285,004.79 and 56,955.94 is: 85,409.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,056.74 : 285,004.79 = 56,955.94 : x
  2. Step 2: Convert to fraction form
    190,056.74/285,004.79 = 56,955.94/x
  3. Step 3: Cross multiply
    190,056.74x = 285,004.79 × 56,955.94
  4. Step 4: Simplify right side
    190,056.74x = 16,232,715,718.95
  5. Step 5: Solve for x
    x = 16,232,715,718.95/190,056.74
  6. Step 6: Final answer
    x = 85,409.84

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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.