Home / 190,780.63-286,176.41-50,539.25

Finding the Fourth Proportional to 190,780.63, 286,176.41 and 50,539.25

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Solution

The fourth proportional to 190,780.63, 286,176.41 and 50,539.25 is: 75,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,780.63 : 286,176.41 = 50,539.25 : x
  2. Step 2: Convert to fraction form
    190,780.63/286,176.41 = 50,539.25/x
  3. Step 3: Cross multiply
    190,780.63x = 286,176.41 × 50,539.25
  4. Step 4: Simplify right side
    190,780.63x = 14,463,141,129.09
  5. Step 5: Solve for x
    x = 14,463,141,129.09/190,780.63
  6. Step 6: Final answer
    x = 75,810.32

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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.