Home / 125,303.44-172,918.56-67,942.66

Finding the Fourth Proportional to 125,303.44, 172,918.56 and 67,942.66

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Solution

The fourth proportional to 125,303.44, 172,918.56 and 67,942.66 is: 93,760.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,303.44 : 172,918.56 = 67,942.66 : x
  2. Step 2: Convert to fraction form
    125,303.44/172,918.56 = 67,942.66/x
  3. Step 3: Cross multiply
    125,303.44x = 172,918.56 × 67,942.66
  4. Step 4: Simplify right side
    125,303.44x = 11,748,546,667.33
  5. Step 5: Solve for x
    x = 11,748,546,667.33/125,303.44
  6. Step 6: Final answer
    x = 93,760.77

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1.5x scale

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.