Home / 190,904.10-286,388.55-57,783.30

Finding the Fourth Proportional to 190,904.10, 286,388.55 and 57,783.30

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Solution

The fourth proportional to 190,904.10, 286,388.55 and 57,783.30 is: 86,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,904.10 : 286,388.55 = 57,783.30 : x
  2. Step 2: Convert to fraction form
    190,904.10/286,388.55 = 57,783.30/x
  3. Step 3: Cross multiply
    190,904.10x = 286,388.55 × 57,783.30
  4. Step 4: Simplify right side
    190,904.10x = 16,548,475,501.22
  5. Step 5: Solve for x
    x = 16,548,475,501.22/190,904.10
  6. Step 6: Final answer
    x = 86,684.76

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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.