Home / 135,795.51-186,847.02-111,507.66

Finding the Fourth Proportional to 135,795.51, 186,847.02 and 111,507.66

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Solution

The fourth proportional to 135,795.51, 186,847.02 and 111,507.66 is: 153,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,795.51 : 186,847.02 = 111,507.66 : x
  2. Step 2: Convert to fraction form
    135,795.51/186,847.02 = 111,507.66/x
  3. Step 3: Cross multiply
    135,795.51x = 186,847.02 × 111,507.66
  4. Step 4: Simplify right side
    135,795.51x = 20,834,873,978.17
  5. Step 5: Solve for x
    x = 20,834,873,978.17/135,795.51
  6. Step 6: Final answer
    x = 153,428.30

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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.