Home / 235,829.36-325,437-140,314.16

Finding the Fourth Proportional to 235,829.36, 325,437 and 140,314.16

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Solution

The fourth proportional to 235,829.36, 325,437 and 140,314.16 is: 193,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,829.36 : 325,437 = 140,314.16 : x
  2. Step 2: Convert to fraction form
    235,829.36/325,437 = 140,314.16/x
  3. Step 3: Cross multiply
    235,829.36x = 325,437 × 140,314.16
  4. Step 4: Simplify right side
    235,829.36x = 45,663,419,287.92
  5. Step 5: Solve for x
    x = 45,663,419,287.92/235,829.36
  6. Step 6: Final answer
    x = 193,629.07

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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.