Home / 236,212.16-326,002.20-135,608

Finding the Fourth Proportional to 236,212.16, 326,002.20 and 135,608

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Solution

The fourth proportional to 236,212.16, 326,002.20 and 135,608 is: 187,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,212.16 : 326,002.20 = 135,608 : x
  2. Step 2: Convert to fraction form
    236,212.16/326,002.20 = 135,608/x
  3. Step 3: Cross multiply
    236,212.16x = 326,002.20 × 135,608
  4. Step 4: Simplify right side
    236,212.16x = 44,208,506,337.60
  5. Step 5: Solve for x
    x = 44,208,506,337.60/236,212.16
  6. Step 6: Final answer
    x = 187,155.93

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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.