Home / 235,182.15-324,598.60-139,670.39

Finding the Fourth Proportional to 235,182.15, 324,598.60 and 139,670.39

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Solution

The fourth proportional to 235,182.15, 324,598.60 and 139,670.39 is: 192,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,182.15 : 324,598.60 = 139,670.39 : x
  2. Step 2: Convert to fraction form
    235,182.15/324,598.60 = 139,670.39/x
  3. Step 3: Cross multiply
    235,182.15x = 324,598.60 × 139,670.39
  4. Step 4: Simplify right side
    235,182.15x = 45,336,813,055.45
  5. Step 5: Solve for x
    x = 45,336,813,055.45/235,182.15
  6. Step 6: Final answer
    x = 192,773.19

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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.