Home / 133,314.66-183,985.63-75,971.52

Finding the Fourth Proportional to 133,314.66, 183,985.63 and 75,971.52

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Solution

The fourth proportional to 133,314.66, 183,985.63 and 75,971.52 is: 104,847.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,314.66 : 183,985.63 = 75,971.52 : x
  2. Step 2: Convert to fraction form
    133,314.66/183,985.63 = 75,971.52/x
  3. Step 3: Cross multiply
    133,314.66x = 183,985.63 × 75,971.52
  4. Step 4: Simplify right side
    133,314.66x = 13,977,667,779.33
  5. Step 5: Solve for x
    x = 13,977,667,779.33/133,314.66
  6. Step 6: Final answer
    x = 104,847.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.