Home / 134,129.12-185,097.30-73,700.42

Finding the Fourth Proportional to 134,129.12, 185,097.30 and 73,700.42

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Solution

The fourth proportional to 134,129.12, 185,097.30 and 73,700.42 is: 101,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,129.12 : 185,097.30 = 73,700.42 : x
  2. Step 2: Convert to fraction form
    134,129.12/185,097.30 = 73,700.42/x
  3. Step 3: Cross multiply
    134,129.12x = 185,097.30 × 73,700.42
  4. Step 4: Simplify right side
    134,129.12x = 13,641,748,750.87
  5. Step 5: Solve for x
    x = 13,641,748,750.87/134,129.12
  6. Step 6: Final answer
    x = 101,706.09

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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.