Home / 191,090.94-286,637.10-57,972.36

Finding the Fourth Proportional to 191,090.94, 286,637.10 and 57,972.36

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Solution

The fourth proportional to 191,090.94, 286,637.10 and 57,972.36 is: 86,958.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,090.94 : 286,637.10 = 57,972.36 : x
  2. Step 2: Convert to fraction form
    191,090.94/286,637.10 = 57,972.36/x
  3. Step 3: Cross multiply
    191,090.94x = 286,637.10 × 57,972.36
  4. Step 4: Simplify right side
    191,090.94x = 16,617,029,150.56
  5. Step 5: Solve for x
    x = 16,617,029,150.56/191,090.94
  6. Step 6: Final answer
    x = 86,958.75

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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.