Home / 142,330.93-213,323.77-104,540.59

Finding the Fourth Proportional to 142,330.93, 213,323.77 and 104,540.59

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Solution

The fourth proportional to 142,330.93, 213,323.77 and 104,540.59 is: 156,684.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,330.93 : 213,323.77 = 104,540.59 : x
  2. Step 2: Convert to fraction form
    142,330.93/213,323.77 = 104,540.59/x
  3. Step 3: Cross multiply
    142,330.93x = 213,323.77 × 104,540.59
  4. Step 4: Simplify right side
    142,330.93x = 22,300,992,254.12
  5. Step 5: Solve for x
    x = 22,300,992,254.12/142,330.93
  6. Step 6: Final answer
    x = 156,684.10

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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.