Home / 235,586.16-325,117.40-135,003.60

Finding the Fourth Proportional to 235,586.16, 325,117.40 and 135,003.60

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Solution

The fourth proportional to 235,586.16, 325,117.40 and 135,003.60 is: 186,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,586.16 : 325,117.40 = 135,003.60 : x
  2. Step 2: Convert to fraction form
    235,586.16/325,117.40 = 135,003.60/x
  3. Step 3: Cross multiply
    235,586.16x = 325,117.40 × 135,003.60
  4. Step 4: Simplify right side
    235,586.16x = 43,892,018,747.62
  5. Step 5: Solve for x
    x = 43,892,018,747.62/235,586.16
  6. Step 6: Final answer
    x = 186,309.84

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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.