Home / 123,326.60-184,691.70-70,576.16

Finding the Fourth Proportional to 123,326.60, 184,691.70 and 70,576.16

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Solution

The fourth proportional to 123,326.60, 184,691.70 and 70,576.16 is: 105,693.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,326.60 : 184,691.70 = 70,576.16 : x
  2. Step 2: Convert to fraction form
    123,326.60/184,691.70 = 70,576.16/x
  3. Step 3: Cross multiply
    123,326.60x = 184,691.70 × 70,576.16
  4. Step 4: Simplify right side
    123,326.60x = 13,034,830,969.87
  5. Step 5: Solve for x
    x = 13,034,830,969.87/123,326.60
  6. Step 6: Final answer
    x = 105,693.59

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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.