Home / 135,904.34-187,554.22-75,475.26

Finding the Fourth Proportional to 135,904.34, 187,554.22 and 75,475.26

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Solution

The fourth proportional to 135,904.34, 187,554.22 and 75,475.26 is: 104,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904.34 : 187,554.22 = 75,475.26 : x
  2. Step 2: Convert to fraction form
    135,904.34/187,554.22 = 75,475.26/x
  3. Step 3: Cross multiply
    135,904.34x = 187,554.22 × 75,475.26
  4. Step 4: Simplify right side
    135,904.34x = 14,155,703,329.91
  5. Step 5: Solve for x
    x = 14,155,703,329.91/135,904.34
  6. Step 6: Final answer
    x = 104,159.32

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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.