Home / 190,808.58-286,222.98-57,685.44

Finding the Fourth Proportional to 190,808.58, 286,222.98 and 57,685.44

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Solution

The fourth proportional to 190,808.58, 286,222.98 and 57,685.44 is: 86,531.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,808.58 : 286,222.98 = 57,685.44 : x
  2. Step 2: Convert to fraction form
    190,808.58/286,222.98 = 57,685.44/x
  3. Step 3: Cross multiply
    190,808.58x = 286,222.98 × 57,685.44
  4. Step 4: Simplify right side
    190,808.58x = 16,510,898,539.41
  5. Step 5: Solve for x
    x = 16,510,898,539.41/190,808.58
  6. Step 6: Final answer
    x = 86,531.22

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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.