Home / 191,072.88-286,610-57,954.28

Finding the Fourth Proportional to 191,072.88, 286,610 and 57,954.28

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Solution

The fourth proportional to 191,072.88, 286,610 and 57,954.28 is: 86,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,072.88 : 286,610 = 57,954.28 : x
  2. Step 2: Convert to fraction form
    191,072.88/286,610 = 57,954.28/x
  3. Step 3: Cross multiply
    191,072.88x = 286,610 × 57,954.28
  4. Step 4: Simplify right side
    191,072.88x = 16,610,276,190.80
  5. Step 5: Solve for x
    x = 16,610,276,190.80/191,072.88
  6. Step 6: Final answer
    x = 86,931.63

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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.