Home / 235,628.24-325,188.63-133,686.90

Finding the Fourth Proportional to 235,628.24, 325,188.63 and 133,686.90

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Solution

The fourth proportional to 235,628.24, 325,188.63 and 133,686.90 is: 184,500.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,628.24 : 325,188.63 = 133,686.90 : x
  2. Step 2: Convert to fraction form
    235,628.24/325,188.63 = 133,686.90/x
  3. Step 3: Cross multiply
    235,628.24x = 325,188.63 × 133,686.90
  4. Step 4: Simplify right side
    235,628.24x = 43,473,459,859.95
  5. Step 5: Solve for x
    x = 43,473,459,859.95/235,628.24
  6. Step 6: Final answer
    x = 184,500.21

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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.